eccentric - noun

a person with an unusual or odd personality

a person of a specified kind (usually with many eccentricities)

eccentric - adjective

• not having a common center; not concentric
• conspicuously or grossly unconventional or unusual

eccentric - thesaurus

bizarre   case   character   flake   flakey   flaky   freakish   freaky   geek   gonzo   nonconcentric   oddball   outlandish   outre   type