abnormal

conspicuous, notable, noticeable, outstanding, prominent, remarkable, salient, striking

bizarre, deviant, eccentric, freakish, monstrous, oddball, outlandish, quaint, strange, weird

incomprehensible, inconceivable, incredible, unimaginable, unthinkable

unrepresentative

extraordinary, preternatural

rare, uncommon, uncustomary, unusual, unwonted

bizarre, curious, far-out, funny, kinky, odd, outlandish, out-of-the-way, outré, peculiar, quaint, queer, queerish, quirky, remarkable, screwy, strange, wacky (also whacky), way-out, weird, wild

eccentric, freakish, idiosyncratic, nonconformist, unconventional, unorthodox

extraordinary, preternatural

rare, uncommon, uncustomary, unusual, unwonted

odd, peculiar, strange