1. (noun) someone regarded as eccentric or crazy and standing out from a group

• odd fellow
• odd fish
• odd man out
• queer bird
• queer duck

1. (noun) someone regarded as eccentric or crazy and standing out from a group

• anomaly
• unusual person

1. (noun) someone regarded as eccentric or crazy and standing out from a group

• around the bend
• balmy
• barmy
• bats
• batty
• bonkers
• buggy
• cracked
• crackers
• daft
• dotty
• fruity
• haywire
• kookie
• kooky
• loco
• loony
• loopy
• nuts
• nutty
• round the bend
• wacky
• whacky