[ oh-ver-heet ]

verb (used with object)
  1. to heat to excess.

  2. to excite or agitate; make vehement: a crowd overheated by rabble-rousers.

verb (used without object)
  1. to become overheated: a stove that overheats alarmingly; a temper that overheats with little provocation.

  1. the state or condition of being overheated; excessive heat, agitation, or vehemence.

Origin of overheat

First recorded in 1350–1400, overheat is from the Middle English word overheten.See over-, heat

Words Nearby overheat

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use overheat in a sentence

British Dictionary definitions for overheat


/ (ˌəʊvəˈhiːt) /

  1. to make or become excessively hot

  2. (tr; often passive) to make very agitated, irritated, etc

  1. (intr) (of an economy) to tend towards inflation, often as a result of excessive growth in demand

  2. (tr) to cause (an economy) to tend towards inflation

  1. the condition of being overheated

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012