Englishoffbeat
adjective
the suggestion was a little offbeat but he agreed to put it to his bosses for consideration:
unconventional, unorthodox, unusual, off-center, eccentric, outré, idiosyncratic, strange, bizarre, weird, peculiar, odd, freakish, outlandish, out of the ordinary, Bohemian, alternative, left-field, hippy, zany, quirky;
avant-garde, novel, innovative;
informal wacky, freaky, kinky, way-out, far out, kooky, oddball;
North American, informal off the wall, bizarro.
▷antonyms ordinary, conventional, run-of-the-mill.