in the dark (about something) - definition and synonyms

  1. not knowing very much about something, because other people are keeping it secret from you

    We are still very much in the dark about how the money was lost.

    keep someone in the dark (about something) (=not tell someone about something because you want to keep it secret from them):

    You’ve kept us totally in the dark about what happened that night.

See also main entry: dark