be in the dark (about someone or something)

(redirected from one was in the dark)

be in the dark (about someone or something)

To not know something about someone or something, especially information that other people are privy do. Somehow, everyone knew that Alicia had quit school except for me—I was totally in the dark. No, I don't know who's going to get the promotion—now that I'm off the executive board, I'm in the dark about a lot of things. We were in the dark about Sarah's new boyfriend for a long time before she finally introduced him to us.
See also: dark, someone
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

in the dark, to be/keep someone

To be mystified or uninformed; to fail to inform someone. The figurative use of dark for ignorance is very old indeed. “We can’t keep it dark any longer,” wrote the Roman playwright Plautus (Aulularia, ca. 210 b.c.), and Shakespeare wrote, “Till then I’ll keep him dark” (All’s Well That Ends Well, 4.1).
See also: keep, someone, to
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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