the odd one/man out - definition and synonyms

phrase
  1. 1
    someone or something that is different from the others in a group or list

    See if you can spot the odd one out in the list.

  2. 2
    someone who is not accepted by the other members of a group because of being different

    Johnny was always the odd one out.

  3. 3
    someone or something that is remaining after others form pairs, groups, or sets

    If we work in groups of three there won’t be an odd one out.

See also main entry: odd