out of bounds - definition and synonyms

phrase
  1. 1
    if a place is out of bounds, you are not allowed to go there
    out of bounds to:

    The border areas were still out of bounds to tourists.

  2. 2
    if a subject is out of bounds, you are not allowed to talk about it, know about it etc

    Details of his private life are strictly out of bounds.

See also main entry: bound