English Etymology Either archaic + ist or archaism + ist. Noun archaist (plural archaists) A person who studies archaic things; an antiquary A person who uses archaisms in language Derived terms archaisticpseudoarchaist Translations antiquary — see antiquary a person who uses archaisms in language Polish: archaista (pl) m (dated) Portuguese: arcaísta (pt) m or f Anagrams citharas Wikiwand - on Seamless Wikipedia browsing. On steroids.