4000 Duolingo Vocabulary List

impassable; unable to be bridged or crossed; impossible to span

unable to be imagined; inconceivable; incredible

uniform; in complete agreement

craft; ship; container for liquids

perform or produce immunity

lacking awareness; senseless; unaware

finch-like colonial birds noted for their elaborately woven nests

queer; of a strikingly odd or unusual character; strange

full of life; animated; necessary to continued existence; living or breathing

not easy; difficult; restless; disturbed by pain, anxiety

open the mouth wide with a deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom

deserving high respect; impressive because of age; profoundly honored

give in; surrender; give forth a natural product; be productive

not wise; innocent; lacking complexity

not discovered or explored, in any sense

device or structure for controlling the flow of a fluid

last offer; final statement of terms made by one party to another

inconstant; variable; lacking control of one's emotions; constantly changing

produced by imagination; characterized by vision or foresight; imaginary; idealistic

open the mouth wide with a deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom

void of thought or knowledge; without an occupant or incumbent

something deposited, laid, or hazarded on the event of a contest or an unsettled question;  bet; stake

unable to be imagined; inconceivable; incredible

diversity; quality or condition of being various or varied

destruction; destroy; smash or break forcefully

guarantee; assurance by the seller; authorization or certification

diversity; quality or condition of being various or varied

an event that departs from expectations; permission to do something differently from the usual way

void of thought or knowledge; without an occupant or incumbent

energetic style; being able to survive and grow; capacity to live, grow, or develop

something deposited, laid, or hazarded on the event of a contest or an unsettled question;  bet; stake

diversity; quality or condition of being various or varied

craft; ship; container for liquids

existing or resulting in essence or effect though not in fact; existing in mind, especially as a product of imagination

give in; surrender; give forth a natural product; be productive

deserving high respect; impressive because of age; profoundly honored

existing or resulting in essence or effect though not in fact; existing in mind, especially as a product of imagination

likely to change or vary; subject to variation; changeable

finch-like colonial birds noted for their elaborately woven nests

deserving high respect; impressive because of age; profoundly honored