- When a fire has gotten out of control in a forest and is emitting lots of CO2, this is an example of fuming.
- When you are really, really mad at your friend for lying to you, this is an example of when you are fuming.
Fuming is defined as emitting gas or smoke, or seething with anger.
- Present participle of fume.
(comparative more fuming, superlative most fuming)
- that fumes
- very angry