(adjective, verb)


1. (obsolete) Burnt.

2. (astrology) In close conjunction with the sun (so that its astrological influence is "burnt up"), sometimes specified to be within 8 degrees 30'.


1. cause to burn or combust

- We combust coal and other fossil fuels

Similar word(s): burn

Definition categories: weather

2. start to burn or burst into flames

- The oily rags combusted spontaneously

Similar word(s): conflagrate, erupt, ignite

Definition categories: weather, turn

3. get very angry and fly into a rage

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

Definition categories: emotion, rage

4. cause to become violent or angry

- Riots combusted after the air attacks on my city

Definition categories: emotion, anger

5. undergo combustion

Similar word(s): burn

Definition categories: change, turn