eccentric eccentric /ˌɛkˈsɛntrɪk/

adjective

1. () Conspicuously or grossly unconventional or unusual  ( flakey [Informal] , flaky [Informal] , freakish , freaky [Informal] , gonzo [Informal, N. American] , off-the-wall [Informal] , outlandish , outre , outré , bizarre , eccentric )
   conspicuously or grossly unconventional or unusual
    Restaurants of bizarre design--one like a hat, another like a rabbit
   restaurants of bizarre design--one like a hat, another like a rabbit
    Famed for his eccentric spelling
   famed for his eccentric spelling
    A freakish combination of styles
   a freakish combination of styles
    His off-the-wall antics
   his off-the-wall antics
    The outlandish clothes of teenagers
   the outlandish clothes of teenagers
    Outre and affected stage antics
   outre and affected stage antics
   
2. () Not having a common center; not concentric  ( nonconcentric , eccentric )
   not having a common center; not concentric
    Eccentric circles
   eccentric circles
   

noun

1. () A person with an unusual or odd personality  ( eccentric person , flake [Informal, N. American] , geek [Informal] , eccentric , oddball [Informal] )
   a person with an unusual or odd personality
     The eccentric artist had a unique sense of style and a quirky personality.
   The eccentric artist had a unique sense of style and a quirky personality.
   
   
2. A person of a specified kind (usually with many eccentricities)  ( case , eccentric , character , type )
   a person of a specified kind (usually with many eccentricities)
    A real character
   a real character
    A strange character
   a strange character
    A friendly eccentric
   a friendly eccentric
    The capable type
   the capable type
    A mental case
   a mental case