4000 Duolingo Vocabulary List

having no real substance, value, or importance; empty; void; worthless; unsatisfying

freshen; circulate through and freshen

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

not discovered or explored, in any sense

relating to or caused by a virus

not in accordance with the season

made without condition; absolute; unreserved

large; broad; extensive; very great in size, number, amount, or quantity

arched brick or stone ceiling or roof; burial chamber usually underground

consistent; standardized; clothing of a particular group

finch-like colonial birds noted for their elaborately woven nests

pattern or structure by weaving; knit; interlace

weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath

extreme edge or margin; border; enclosing boundary; space enclosed by such a boundary

cosmos; everything that exists anywhere

someone who has given long service

give up temporarily; yield; give up voluntarily; defer

large; broad; extensive; very great in size, number, amount, or quantity

make more industrial or city-like

not discovered or explored, in any sense

not conforming to accepted rules or standards

leisure time away from work; the act of making something legally void

finch-like colonial birds noted for their elaborately woven nests

having no real substance, value, or importance; empty; void; worthless; unsatisfying

idealistic but usually impractical social reformer

deceptively attractive external appearance; paint to coat a surface with a hard, glossy, transparent film

articles of merchandise;  style or class of manufactures; especially, in the plural, goods; commodities; merchandise

plants of an area or a region; plant life

idealistic but usually impractical social reformer

having no real substance, value, or importance; empty; void; worthless; unsatisfying

large; broad; extensive; very great in size, number, amount, or quantity

distance from the left wingtip to the right wingtip

expressed in spoken rather than written words; consisting of words alone without action

freshen; circulate through and freshen

leisure time away from work; the act of making something legally void

deceptively attractive external appearance; paint to coat a surface with a hard, glossy, transparent film

explosively unstable;  relating to volcanoes

expressed in spoken rather than written words; consisting of words alone without action

having many talents; capable of working in many fields

someone who has given long service