Word parts change

over- + heat

Pronunciation change

Verb change

Plain form
overheat

Third-person singular
overheats

Past tense
overheated

Past participle
overheated

Present participle
overheating

  1. (transitive) If you overheat something, you heat excessively.
  2. (intransitive) If something overheats, it becomes excessively hot.