outlandish, freakish, freaky, eccentric, unconventional, outre, flaky, off-the-wall, far-out, enormous, more...

normal, usual, common, plain

eccentric, eccentricity, idiosyncrasy, abnormality, peculiarity, strangeness, oddity, quirk, more...

really weird,   very strange,   very unusual,   highly unusual,   strikingly unusual,   weirdly shaped,   mighty peculiar,   strange weird,   extremely strange,   beyond eccentric