INFELICITY Meaning of INFELICITY in English n. (pl. -ies) 1 a inaptness of expression etc. b an instance of this. 2 a unhappiness. b a misfortune. [ ME f. L infelicitas (as IN-(1), FELICITY) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012