adj. 25B6; adjective UNUSUAL, irregular, unorthodox, unfamiliar, uncommon, unwonted, out of the ordinary, atypical, singular, alternative, different; new, novel, innovative, ground-breaking, pioneering, original, unprecedented; eccentric, idiosyncratic, quirky, odd, strange, bizarre, weird, outlandish, curious; abnormal, anomalous, aberrant, extraordinary; nonconformist, bohemian, avant-garde; informal way out, far out, offbeat, wacky, madcap, zany, hippy; Brit. informal rum; N. Amer. informal kooky, wacko.
orthodox.