1. adjective /ɪkˈsɛntrɪk,ɛkˈsɛntrɪk/
a) not at or in the centre.
an eccentric or elliptical orbit
"The recluse has become really eccentric over the years."
See Also: central, eccentricity
2. noun /ɪkˈsɛntrɪk,ɛkˈsɛntrɪk/
a) One who does not behave like others.
Wikipedia foundation.