MISTY Meaning of MISTY in English adj. (mistier, mistiest) 1 of or covered with mist. 2 indistinct or dim in outline. 3 obscure, vague (a misty idea). mistily adv. mistiness n.[ OE mistig (as MIST) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012