Breadcrumb Home > Thesaurus > C Synonyms of cleanthes Find synonyms for: Noun1. Cleanthesusage: ancient Greek philosopher who succeeded Zeno of Citium as the leader of the Stoic school (300-232 BC)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cleanthes (Dictionary) ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language