ETYM French bizarre odd, from Spanish bizarro gallant, brave, liberal, prob. of Basque origin; cf. Basque bizarra beard, whence the meaning manly, brave.
Conspicuously or grossly unconventional or unusual; SYN. eccentric, freakish, freaky, flaky, outlandish, outre.
Fantastic; outlandish; incongruous.

ETYM French excentrique, formerly also spelled eccentrique, from Late Lat. eccentros out of the center, eccentric, Greek; ex out of + kentron center. Related to Ex-, and Center, Excentral.
Not having a common center; not concentric; SYN. nonconcentric.

1. (In combination) An indefinite quantity more than that specified
2. Not divisible by two.
3. Not easily explained; peculiar or unusual
4. Of the remaining member of a pair, of socks e.g.; SYN. unmatched, unmated, unpaired.

Eccentric, unconventional

1. At variance with what is usual or normal; differing in some odd way from what is ordinary; odd; singular; strange.
2. Mysterious; suspicious; questionable.
3. (Slang) Homosexual; esp., overtly homosexual.

1. Crazily absurd, eccentric, or unusual
2. Crazy, insane

1. Being definitely out of the ordinary and unexpected; slightly odd or even a bit weird; SYN. unusual.
2. Not at ease or comfortable
3. Not known before; SYN. unknown.

Strikingly odd or unusual.