Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


adjective \ˈhwīt-ˈhät, ˈwīt-\

Simple Definition of white–hot

  • : glowing white because of being very hot

  • : extremely hot

  • : very intense or active

Source: Merriam-Webster's Learner's Dictionary

Full Definition of white–hot

  1. 1 :  being at or radiating white heat

  2. 2 a :  extremely hot b :  exhibiting or marked by extreme fervor or zeal <white–hot enthusiasm>

Seen and Heard

What made you want to look up white–hot? Please tell us where you read or heard it (including the quote, if possible).