1:
abnormal 
unusual; not typical; not normal
2:
abort 
stop; terminate before completion; terminate a pregnancy
3:
abrupt 
broken off; very steep; having sudden transitions from one subject to another
4:
absorb 
assimilate or incorporate; suck or drink up; occupy full attention
5:
abstract 
theoretical; not concrete; not applied or practical; difficult to understand
6:
accessory 
additional object; useful but not essential thing; subordinate or supplementary item
7:
accommodate 
do a favor or service for; provide for; supply with; make suitable; adapt; allow for
8:
accompany 
travel with; be associated with
9:
accountable 
liable to being called to account; answerable; responsible; something that can be explained
10:
achieve 
gain with effort; accomplish; fulfill
11:
acquire 
gain through experience or effort; gain possession of; locate with tracking system
12:
acquisition 
act of contracting or assuming or acquiring possession of something
13:
activate 
make active or more active; stimulate; make radioactive
14:
acute 
quickly perceptive; keen; having a sharp point or tip; extremely sharp or severe
15:
adapt 
make fit for; change to suit a new purpose
16:
addict 
cause someone to become dependent; indulge in; be devoted to
17:
adequate 
sufficient; enough to meet a purpose
18:
administer 
govern; supervise; give or apply medications
19:
admission 
act or practice of admitting; power or permission to enter
20:
advertise 
give notice to; inform or apprise; make known; give public notice of
21:
advocate 
speak, plead, or argue in favour of; plead for; push for something
22:
agony 
extreme pain of mind or body; anguish; last struggle of life; death struggle
23:
alienate 
cause to become unfriendly or hostile; transfer property or ownership; isolate or dissociate emotionally
24:
allegiance 
loyalty to a nation, sovereign, or cause; fidelity to any person or thing; devotion
25:
allowance 
approval; act of allowing, granting, or admitting
26:
alongside 
along or by the side; side by side with
27:
alter 
modify; cause to change; make different; convert
28:
alternate 
happening or following in turns; succeeding each other continuously; substitute
29:
altitude 
elevation especially above sea level; height
30:
amateur 
nonprofessional; lacking the skill of a professional, as in an art
31:
amaze 
astonish; affect with wonder
32:
ambitious 
aspiring; having a strong desire for success or achievement
33:
amends 
compensation for a loss or injury; recompense; reparation
34:
ammunition 
military stores or provisions; articles used in weapons, as powder, balls, shot, shells
35:
ample 
more than enough in size or scope or capacity; fairly large
36:
amuse 
occupy or engage the attention of; lose in deep thought
37:
analogy 
similarity in some respects; comparison based on similarity
38:
anchor 
secure or fasten firmly; be fixed in place; narrate or coordinate
39:
annoy 
disturb, especially by minor irritations; irritate
40:
anthem 
song of praise or patriotism; song of devotion or loyalty