solecist adjective 1noun 1forms 3 adjective1 •(no longer used, rare) Having the characteristics of a solecism.[…] is another solecist quotation. — 2001 noun1 •(no longer used, rare) One who commits a solecism.Shall a noble writer, and an inspired noble writer, be called a solecist, and barbarian, for giving a new turn to a word so agreeable to the analogy and genius of the Greek tongue? — 1725 formssolecists · more solecist · most solecist