Definition of on the outside in US English:

on the outside

phrase

  • Away from or not belonging to a particular circle or institution.

    ‘when you're on the outside, then you have a much better view of what they're doing’
    • ‘As an only child growing up in Aberdeen, she remembers the sense of always being slightly on the outside.’
    • ‘Talk to someone on the outside, like other people in your family, a trusted teacher or another adult.’