(a.) Forming an exception; not ordinary; uncommon; rare; hence, better than the average; superior.

aberrant abnormal absolute anomalous appalling astonishing beguiling bewildering celebrated certain concrete conspicuous crank crankish cranky crotchety deficient defined definite detailed determinate deviant deviative different distinct distinguished divergent dotty eccentric egregious eminent enigmatic erratic esoteric especial esteemed estimable ethnocentric excellent excluding exclusive exclusory express extraordinary fabulous fantastic fascinating fey fixed flaky formidable freakish funny gifted good handicapped idiocratic idiosyncratic inadmissible incomprehensible inconceivable incredible indescribable individual ineffable infrequent inner insular intimate irregular kinky kooky legendary maggoty marked marvelous memorable minute miraculous mythical narrow noble notable noteworthy noticeable nutty odd oddball of mark outlandish outstanding parochial particular passing strange peculiar personal phenomenal portentous precise preclusive premium prescriptive prestigious preventive private prodigious prohibitive prominent puzzling queer quirky rare remarkable rememberable reputable respective restrictive salient scarce screwball screwy seclusive segregative select selective sensational separative several signal singular snobbish solipsistic special specific strange striking stupefying stupendous superior talented telling twisted uncommon unconventional uncustomary unexampled unforgettable unheard-of unimaginable unique unnatural unordinary unparalleled unprecedented unspeakable unthinkable unusual unwonted wacky whimsical wonderful wondrous xenophobic