"combusts" in the verb sense

1. burn, combust

cause to burn or combust

"The sun burned off the fog"

"We combust coal and other fossil fuels"

2. erupt, ignite, catch fire, take fire, combust, conflagrate

start to burn or burst into flames

"Marsh gases ignited suddenly"

"The oily rags combusted spontaneously"

3. flip one's lid, blow up, throw a fit, hit the roof, hit the ceiling, have kittens, have a fit, combust, blow one's stack, fly off the handle, flip one's wig, lose one's temper, blow a fuse, go ballistic

get very angry and fly into a rage

"The professor combusted when the student didn't know the answer to a very elementary question"

"Spam makes me go ballistic"

4. combust

cause to become violent or angry

"Riots combusted Pakistan after the U.S. air attacks on Afghanistan"

5. burn, combust

undergo combustion

"Maple wood burns well"

Source: WordNet® (An amazing lexical database of English)

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