- -ist-ist1 [ist, əst][ME -iste < OFr < L -ista < Gr -istēs < verbs ending in -izein] suffix forming nouns1. a person who does, makes, or practices (the thing specified): words so formed correspond to verbs ending in -IZE or nouns ending in -ISM [moralist, satirist]2. a person skilled in or occupied with; an expert in [druggist, violinist]3. an adherent of or believer in [anarchist]4. a person having or displaying prejudice related to [ageist]: see -ISM (sense 8)-ist2 [ist, əst]suffixforming adjectives corresponding to nouns ending in -ISM or -IST1 [Darwinist, escapist, ageist]
English World dictionary. V. Neufeldt. 2014.