eccentric
US /ɪkˈsen.trɪk/
UK /ɪkˈsen.trɪk/

1.
a person with an unusual or odd personality, behavior, or habits
:
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My neighbor is a bit of an eccentric, always wearing mismatched socks.
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She's known as the village eccentric because of her unusual hobbies.
1.
unconventional and slightly strange
:
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His eccentric ideas often lead to innovative solutions.
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She has an eccentric sense of humor that not everyone understands.