to heat to excess.
to excite or agitate; make vehement: a crowd overheated by rabble-rousers.
to become overheated: a stove that overheats alarmingly; a temper that overheats with little provocation.
the state or condition of being overheated; excessive heat, agitation, or vehemence.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use overheat in a sentence
While we like the automatic overheat protection and cooling system, this model can only run for about four minutes before it needs to shut down.
True, but we know that what happens to these batteries when they overheat is extremely complex.Passenger Flights Must Stop Carrying Lithium-Ion Batteries as Cargo | Clive Irving | May 5, 2014 | THE DAILY BEAST
But as if being a mine detector isn't dangerous enough, the poor animals can overheat in hot climates.
And the baddies, who light up, regenerate body parts, and occasionally overheat and explode, are pretty silly.‘Iron Man 3,’ Starring Robert Downey Jr., Is Loud, Quippy, Ridiculous Fun | Marlow Stern | May 1, 2013 | THE DAILY BEAST
If the fuel rods overheat to a sufficiently high temperature, they would burn through the reactor walls, melting them down.
Therefore a motor that is driven a long distance on the low gear will have a tendency to overheat.The Gasoline Motor | Harold Whiting Slauson
Beginners, who are apt to overheat their furnace, should avoid a heat which can properly be called yellow.A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob Beringer
Also it is essential to have a temperature sufficiently high, yet not such as to overheat the metal.
A normal current is one which keeps the battery fully charged, but does not overheat it or cause excessive gassing.The Automobile Storage Battery | O. A. Witte
Never use glassine alone for it causes the grafts to overheat and so destroys them.Growing Nuts in the North | Carl Weschcke
British Dictionary definitions for overheat
to make or become excessively hot
(tr; often passive) to make very agitated, irritated, etc
(intr) (of an economy) to tend towards inflation, often as a result of excessive growth in demand
(tr) to cause (an economy) to tend towards inflation
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