red-hot

UK: /ˌrɛdˈhɒt/ US: (adj. red′hot′; n. red′hot′)

WordReference Random House Learner's Dictionary of American English © 2025

ˈred-ˈhot,  adj. 

1. red with heat;
   very hot.
2. violent;
   furious:
   red-hot anger.
3. very new:
   a red-hot idea.

WordReference Random House Unabridged Dictionary of American English © 2025

red-hot  (adj. red′hot′;n. red′hot′), adj. 

1. red with heat;
   very hot.
2. creating much excitement, demand, or discussion:
   The new toy robot is a red-hot item this Christmas.
3. violent;
   furious:
   red-hot anger.
4. characterized by intense excitement, enthusiasm, or passion.
5. very fresh or new;
   most recent:
   red-hot tips on the stock market.

n. 

6. a person who has great fervor or intensity, as for a goal or cause.
7. Informal Terms a hot dog.
8. a small cinnamon-flavored candy.

• Middle English 1325–75

Collins Concise English Dictionary © HarperCollins Publishers::

red-hot adjective

1. (esp of metal) heated to the temperature at which it glows red
2. extremely hot
3. keen, excited, or eager; enthusiastic
4. furious; violent: red-hot anger
5. very recent or topical: red-hot information
6. extreme, unreasonable, or unfair: the charges are red-hot