Breadcrumb Home > Thesaurus > O Synonyms of overexert Find synonyms for: Verb1. overexert, exertusage: exert (oneself) excessively and go beyond one's strength; "don't overexert yourself when exercising!"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of overexert (Dictionary) ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language