Breadcrumb Home > Thesaurus > O Synonyms of overheat Find synonyms for: Verb 1. overheat, heat, hot up, heat up usage: get excessively and undesirably hot; "The car engines overheated" 2. overheat, heat, heat up usage: make excessively or undesirably hot; "The room was overheated" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of overheat (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: truculent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language