What is the meaning of eccentric?

noun

• A person with an unusual or odd personality.
  • synonyms: eccentric person, flake, oddball, geek
• A person of a specified kind (usually with many eccentricities. )
  • usage: "a real character"; "a strange character"; "a friendly eccentric"; "the capable type"; "a mental case"
  • synonyms: character, type, case

adjective

• Conspicuously or grossly unconventional or unusual.
  • usage: "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"
  • synonyms: bizarre, freakish, freaky, flaky, flakey, gonzo, off-the-wall, outlandish, outre
• Not having a common center; not concentric.
  • usage: "eccentric circles"
  • synonyms: nonconcentric