on the side - definition and synonyms

  1. 1
    in addition to what is usual

    The band’s lead singer has been making solo appearances on the side.

  2. 2
    a food served on the side is an additional food served with the main meal

    I’d like some mixed vegetables on the side.

  3. 3

    a bit on the side

    informal if someone has or is getting a bit on the side, they are secretly having a sexual relationship with a second partner
See also main entry: side