aberrational

unrepresentative

extraordinary, preternatural

rare, uncommon, uncustomary, unusual, unwonted

bizarre, curious, far-out, funny, kinky, odd, outlandish, out-of-the-way, 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