Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “be in the dark”

be in the dark

C2 to not know about something that other people know aboutUnaware
(Definition of be in the dark from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Definitions of “be in the dark” in other dictionaries

Word of the Day

warm-up

something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More