NEOLOGISM Meaning of NEOLOGISM in English n. 1 a new word or expression. 2 the coining or use of new words. neologist n. neologize v.intr. (also -ise). [ F néologisme (as NEO-, -LOGY, -ISM) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012