a person with an unusual or odd personality
"My neighbor is so eccentric that he talks to his garden gnomes every morning before breakfast."
One who does not behave like others.
"My neighbor is truly eccentric because he spends his entire day painting invisible doors on his blank walls while humming opera to himself."
conspicuously or grossly unconventional or unusual
"restaurants of bizarre design--one like a hat, another like a rabbit"
"famed for his eccentric spelling"
"a freakish combination of styles"
"his off-the-wall antics"
"the outlandish clothes of teenagers"
"outre and affected stage antics"
Not at or in the centre; away from the centre.
"The eccentric bolt on the machine was loose, causing the entire assembly to wobble off-center."