Example
Dictionary details
Tags
Related idioms
Expressions connected by reviewed component words or topic tags.
into thin air
CEFR B2Away so completely and suddenly that no trace or explanation remains.
Neutral
out of thin air
CEFR B2to seem to materialize suddenly without any apparent origin
Neutral
through thick and thin
CEFR B2Remaining loyal and supportive during both good times and serious difficulties.
Neutral
kill two birds with one stone
CEFR B1To accomplish two tasks with a single effort or action.
Neutral
the name of the game
CEFR B1the central, most important aspect of a situation
Informal
go down a rabbit hole
CEFR B2to get lost in a long, winding, often pointless digression while researching or building something
Informal
Source methodology
Meanings, register, CEFR, and examples come from the reviewed dictionary record. Expression notes may describe a reviewed present-day word picture or a background note; they are not presented as verified etymology.