Same word as Exceptional:
aberrant,abnormal,anomalous,atypical,deviant,distinct,extraordinary,inconsistent, infrequent,notable,noteworthy,odd,peculiar,phenomenal,rare,remarkable,scarce,singular,special,strange,uncommon, uncustomary, unheard-of,unimaginable,unique, unordinary,unpre
aberrant,abnormal,anomalous,atypical,deviant,distinct,extraordinary,inconsistent, infrequent,notable,noteworthy,odd,peculiar,phenomenal,rare,remarkable,scarce,singular,special,strange,uncommon, uncustomary, unheard-of,unimaginable,unique, unordinary,unpre