uncustomary

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

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

incomprehensible, inconceivable, incredible, unimaginable, unthinkable

bizarre, eccentric, far-out, kooky (also kookie), oddball, outlandish, outré, way-out

aberrant, abnormal, atypical, exceptional, irregular

newsworthy, notable, noteworthy, noticeable, particular, remarkable, special