so hot that it looks red
Example:
- Red-hot coals glowed in the fire.
- They heated up the pokers until they were red-hot.
showing strong feeling
Example:
- her red-hot anger
new, exciting and of great interest to people
Example:
- a red-hot issue
used to describe the person, animal or team that is considered almost certain to win a race, etc.
Example:
- The race was won by the red-hot favourite.