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4000 IELTS Academic Word List (12)

naked: Read
a. Syn. nude; bare
bare and pure; completely unclothed

namely: Read
by name; by particular mention; expressly; that is to say

nap: Read
a period of time spent sleeping

narrator: Read
someone who tells a story

nasty: Read
very dirty, foul; disgusting; nauseous

native: Read
being as origin; as found in nature in the elemental form

nausea: Read
feeling of sickness in stomach by an urge to vomit; strong aversion; disgust

naval: Read
a. Syn. maritime
relating to, or adjacent to the sea; relating to marine shipping or navigation

navigable: Read
wide and deep enough to allow ships to pass through; able to be steered

navigation: Read
guidance of ships or airplanes from place to place

neat: Read
a. Syn. tidy; clean
clean or orderly

necessitate: Read
make necessary or indispensable; render unavoidable

needle: Read
long, thin, sharp implement usually for piercing such as sewing, or knitting

needy: Read
a. Syn. poor; indigent
poor; indigent; being in need; impoverished

negate: Read
v. Syn. nullify; deny
cancel out; make ineffective or invalid; deny

negation: Read
act of denying; assertion of the nonrealistic or untruthfulness of anything

negative: Read
a. Syn. adverse; disparaging
adverse; involving disadvantage or harm; pessimistic

neglect: Read
v. Syn. disregard; ignore
disregard; ignore; pay little or no attention to

negligence: Read
n. Syn. neglect
neglect; failure to take reasonable care; state or quality of being negligent

negligent: Read
a. Syn. careless; inattentive
careless; inattentive

negligible: Read
a. Syn. insignificant; tiny
so small, trifling, or unimportant that it may be easily disregarded

negotiable: Read
capable of being negotiated; transferable by assignment or endorsement to another person

negotiation: Read
discussion intended to produce an agreement

nervous: Read
a. Syn. agitated; anxious
agitated; anxious

network: Read
any system of lines or channels crossing like the fabric of a net; complex, interconnected group or system

neutral: Read
a. Syn. impartial
impartial; not supporting one side over another

neutron: Read
elementary particle with 0 charge and mass about equal to a proton

nevertheless: Read
not the less; notwithstanding; in spite of that; yet

nickel: Read
coin worth one twentieth of a dollar

nightmare: Read
dream arousing feelings of intense fear, horror, and distress; event or experience that is intensely distressing

nitrogen: Read
colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume

nobility: Read
quality or state of being noble; superiority of mind or of character; commanding excellence; eminence

noisy: Read
a. Syn. vociferous; clamorous
full of loud and nonmusical sounds; clamorous

nominal: Read
in name only; insignificantly small

nominate: Read
v. Syn. designate; appoint
designate; appoint

nomination: Read
act of naming or nominating; designation of a person as a candidate for office

nonsense: Read
n. Syn. silliness; rubbish
silliness; words or signs having no intelligible meaning

norm: Read
n. Syn. convention; standard; rule
convention; standard; rule

normally: Read
ad. Syn. usually; commonly
usually; as a rule; regularly; according to a rule

notable: Read
a. Syn. conspicuous; distinguished
worthy of note or notice; remarkable; important

notably: Read
ad. Syn. especially; remarkably; particularly
especially; in a notable manner; remarkably; particularly

note: Read
observe carefully; notice; show; indicate

notify: Read
v. Syn. declare; publish
make known; give notice to; inform by notice

notion: Read
n. Syn. idea; conception
general or universal conception; belief or opinion

notorious: Read
a. Syn. disreputable; infamous
disreputable; known widely and usually unfavorably; infamous

notwithstanding: Read
nevertheless; in spite of; despite anything to the contrary

nought: Read
n. Syn. naught
nonexistence; nothingness; zero

nourish: Read
v. Syn. feed; nurture
provide with nourishment; provide with food or other substances necessary for life and growth

nourishment: Read
a source of materials to nourish the body

novel: Read
a. Syn. original; innovative
previously unknown; strikingly new, unusual, or different; young

novelty: Read
n. Syn. newness; innovation
quality of being novel; newness; something new and unusual

nowadays: Read
ad. Syn. now; presently
during current time; presently

nowhere: Read
not anywhere; not in any place or state

nuclear: Read
a. Syn. atomic
of, relating to, or forming a nucleus of an atom; pertaining to, or using nuclear weapons

nucleus: Read
n. Syn. hub; core
central or essential part around which other parts are gathered or grouped; core

nuisance: Read
something that annoys or gives trouble and vexation; something that is offensive or noxious

null: Read
a. Syn. invalid; void; nullified
invalid; void; nullified; having no legal force; invalid

nullify: Read
make invalid; make null; invalidate; counteract force or effectiveness of

numerical: Read
belonging to number; denoting number; consisting in numbers; expressed by numbers, and not letters

numerous: Read
a. Syn. many; various
many; various; amounting to a large indefinite number

nursery: Read
room for baby; area in a household set apart for the use of children

nylon: Read
any of a family of high-strength, resilient synthetic polymers

oak: Read
any tree or shrub of the genus Quercus; durable wood of any of these trees or shrubs

oar: Read
long, thin, usually wooden pole with a blade at one end, used to row or steer a boat

oath: Read
n. Syn. vow; pledge
solemn promise; commitment to tell the truth

obedient: Read
subject in will or act to authority; willing to obey; submissive to restraint, control, or command

object: Read
be averse to or express disapproval of

objection: Read
n. Syn. opposition; denial
act of expressing earnest opposition or protest

objective: Read
a. Syn. fair
not influenced by emotions; having actual existence or reality

obligation: Read
n. Syn. duty; commitment
act of binding oneself by a social, legal, or moral tie; written promise to repay a debt

oblige: Read
v. Syn. force; compel; coerce
force; bind by an obligation; cause to be indebted; do a service or favor for

obliterate: Read
v. Syn. delete; erase; abolish
destroy completely; do away with completely so as to leave no trace

oblong: Read
having greater length than breadth, especially when rectangular

obscure: Read
v. Syn. darken; hide; block
darken; make dim or indistinct; conceal in obscurity

observance: Read
act or practice of observing or noticing with attention; an act, ceremony, or rite, as of worship or respect

observe: Read
be on the watch respecting; pay attention to; notice with care; see; perceive

obstacle: Read
n. Syn. obstruction; impediment; hindrance
one that opposes, stands in the way of, or holds up progress

obstinate: Read
a. Syn. stubborn
stubbornly adhering to an attitude or opinion; hard to control or treat

obstruction: Read
act of obstructing; any structure that makes progress difficult

obtain: Read
v. Syn. acquire; get; procure; derive
get hold of; gain possession of; acquire, in any way

obtainable: Read
a. Syn. available
available; capable of being obtained

obvious: Read
a. Syn. evident; apparent
exposed; easily discovered; plain

occasion: Read
n. Syn. incident
significant event that occurs at a critical time; opportunity to do something; event or happening

occasional: Read
a. Syn. random; incidental
random; occurring from time to time; infrequent

occasionally: Read
ad. Syn. sometimes; infrequently; irregularly
now and then; from time to time; infrequently; irregularly

occupation: Read
n. Syn. job; vocation; business
act of occupying or taking possession; control of a country by military forces of a foreign power

occupy: Read
v. Syn. inhabit
inhabit; live in a certain place; be present in; be inside of

occur: Read
v. Syn. happen
take place; be found to exist ; come to one's mind

occurrence: Read
n. Syn. incidence; event; happening
an event that happens

odd: Read
a. Syn. bizarre; strange; unusual
not easily explained; beyond from the usual or expected; not divisible by two

odour: Read
a. Syn. odor
any smell, whether fragrant or offensive; scent; perfume

offence: Read
act of causing anger, resentment, displeasure, or affront; violation or infraction of moral or social code

offend: Read
strike against; attack; assail; make angry; affront

offensive: Read
a. Syn. attacking; insulting; distasteful
causing anger, displeasure, resentment, or affront

offer: Read
n. Syn. proposal
act of presenting; something, such as a suggestion, proposal, bid, or recommendation

offset: Read
counterbalance, counteract, or compensate for; balance

offspring: Read
n. Syn. descendant

omen: Read
any indication or action regarded as a foreshowing; phenomenon supposed to portend good or evil

ominous: Read
a. Syn. threatening
threatening; foreshadowing evil or tragic developments

omission: Read
act of omitting; neglect or failure to do something required by propriety or duty

omit: Read
v. Syn. bypass; neglect
leave undone or leave out ; bypass; neglect; fail to include or mention

onset: Read
n. Syn. start; assault
beginning or early stages; offensive against enemy

opaque: Read
a. Syn. nontransparent; obscure
impenetrable by light; not transparent; not reflecting light; having no luster

opera: Read
a drama set to music and consists of singing

operative: Read
having power of acting; exerting force, physical or moral; active in the production of effects

opinion: Read
notion or conviction founded on probable evidence; belief stronger than impression; favorable estimation

opponent: Read
n. Syn. antagonist; adversary
contestant; someone who offers opposition ; adverse; hostile; opposing

opportune: Read
a. Syn. timely
timely; just in time; suited or right for a particular purpose

opportunity: Read
n. Syn. chance; probability
favorable or advantageous circumstance; chance for progress or advancement

oppose: Read
place in front of, or over against; set opposite; exhibit; confront; resist; withstand

opposite: Read
two words that express opposing concepts; contrariwise; directly facing each other

opposition: Read
condition of being in conflict; act of opposing something

optical: Read
of or relating to or involving light or optics

optimal: Read
a. Syn. optimum; ideal
most advantageous; optimum; ideal

optimism: Read
tendency to expect the best possible outcome; belief that the universe is improving and good will win over evil

optimistic: Read
a. Syn. hopeful; positive
hopeful; positive; expecting the best in all possible ways

optimum: Read
a. Syn. best
most favorable or advantageous

option: Read
n. Syn. alternative; choice; selection
act of choosing; power or freedom to choose

optional: Read
not obligatory; left to choice; not compulsory or automatic

oral: Read
a. Syn. spoken; unwritten
spoken; unwritten; relating to the mouth

orbit: Read
n. Syn. path; circle
path; circle; move in an orbit; encircle

orchard: Read
n. Syn. garden
garden; area of land devoted to the cultivation of fruit or nut trees

orchestra: Read
n. Syn. band

orderly: Read
conformed to order; in order; regular; well-regulated

ore: Read
n. Syn. mineral
mineral that contains metal that is valuable enough to be mined

organ: Read
natural part or structure in animal or plant, capable of performing some special action

organic: Read
simple and healthful and close to nature

organism: Read
living being; system considered analogous in structure or function to a living body

orient: Read
v. Syn. direct; guide; lead
focus toward; determine position with reference to another point; locate to face the east

oriental: Read
of or relating to the countries of the orient or their peoples or cultures; eastern

orientation: Read
n. Syn. direction
act of finding oneself position; position or alignment relative to points of directions; course introducing new situation

origin: Read
the first existence or beginning of anything; birth; fountain

original: Read
a. Syn. first; primary
not second hand; not copied or translated from something else

originality: Read
n. Syn. novelty; creativity
novelty; creativity; capacity to act or think independently

originate: Read
v. Syn. initiate; invent; begin
initiate; invent; bring into being; create

ornament: Read
n. Syn. decoration; adornment
decoration; something used to beautify

ornamental: Read
a. Syn. decorative; embellishing
decorative; any plant grown for its beauty or ornamental value

ounce: Read
unit of weight equal to one sixteenth of a pound

outbreak: Read
n. Syn. beginning; eruption; explosion
beginning; eruption; explosion

outcome: Read
n. Syn. result; effect
result; end or consequence; result of a random trial

outdoors: Read
out of house; out of doors

outermost: Read
a. Syn. utmost
far most; utmost; outmost; most distant from the center or inside

outlandish: Read
a. Syn. strange; bizarre
unconventional; strikingly unfamiliar; located far from civilized areas

outlaw: Read
person excluded from the benefit of the law, or deprived of its protection; fugitive from the law; habitual criminal

outlet: Read
n. Syn. channel
an opening that permits escape or release; activity that releases creative energy or emotion

outline: Read
line that appears to bound an object; shape of an object or figure; summary of a written work or speech

outlook: Read
n. Syn. viewpoint; standpoint
prospect; view; belief about the future ; act of looking out

output: Read
n. Syn. production; product
act or process of producing; production; amount produced during a certain time

outrage: Read
n. Syn. atrocity; barbarity
act of extreme violence or viciousness; offense

outrageous: Read
n. Syn. violent; atrocious
of the nature of an outrage; exceeding the limits of right, reason

outright: Read
ad. Syn. altogether; entirely
altogether; entirely; without reservation or exception

outset: Read
beginning; start; origin; time at which something is supposed to begin

outstanding: Read
distinguished from others in excellence

oval: Read
a. Syn. elliptic
elliptic; rounded like an egg

overall: Read
a. Syn. general; comprehensive
general; comprehensive; from one end to the other; including everything

overcast: Read
covered or obscured, as with clouds or mist; gloomy; melancholy

overcharge: Read
n. Syn. overprice
overprice; a price that is too high

overcome: Read
v. Syn. defeat
defeat another in competition or conflict; conquer; prevail over

overestimate: Read
make too high an estimate of

overflow: Read
flow over; cover with, or as with, water or other fluid; spread over; flow over the brim of

overhear: Read
hear more of anything than was intended to be heard; hear again

overlap: Read
representation of common ground between two things; extend over and cover a part of

overlapping: Read
covering with a design in which one element covers a part of another

overload: Read
place too much a load on

overlook: Read
v. Syn. ignore; disregard
ignore; disregard; fail to notice ; watch over

overseas: Read
beyond or across the sea; abroad

oversight: Read
n. Syn. omission; inattention
unintentional omission or mistake; watchful care or management; supervision

overtake: Read
come up with in a course, pursuit, progress, or motion; catch up with; come upon from behind; capture; overcome

overthrow: Read
throw over; overturn; upset; turn upside down; cause to fall or to fail

overtime: Read
beyond the regular time

overwhelm: Read
defeat; cover completely or make imperceptible; overcome by superior force ; charge someone with too many tasks

overwhelming: Read
overpowering in effect or strength; very great or intense; extreme

owe: Read
be in debt; be obliged to pay or repay

owl: Read
any species of raptorial birds of the family Strigidae

own: Read
belonging to oneself or itself; not foreign; domestic

ownership: Read
having and controlling property

oxide: Read
any compound of oxygen with another element; a binary chemical compound of oxygen

oxygen: Read
a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas

oyster: Read
marine mollusks having a rough irregular shell