Related Clues:

• Outcast
• Loner
• Oddball
• Nonconformist
• Social dud
• Weirdo
• Square peg in a round hole, say
• Social outcast
• Fish out of water
• Maladjusted person
• Square peg, e.g.
• Square peg
• Poor match
• Hard-to-characterize type
• Round peg in a square hole