Example
“I went down a rabbit hole reading old changelogs instead of fixing the bug.”
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
ace in the hole
CEFR C1a secret advantage kept hidden until it is needed
test the waters
CEFR B1to try something cautiously before committing fully to it
the name of the game
CEFR B1the central, most important aspect of a situation
deep dive
CEFR B2a thorough, detailed examination of a topic, problem, or dataset
have bigger fish to fry
CEFR B2To have more important matters to deal with.
in one's sights
CEFR B2chosen as a target or goal that you intend to achieve or pursue
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.