| a. | 1. | Burnt; consumed. |
| 2. | (Astron.) So near the sun as to be obscured or eclipsed by his light, as the moon or planets when not more than eight degrees and a half from the sun. |
| Verb | 1. | combust - cause to burn or combust; "The sun burned off the fog"; "We combust coal and other fossil fuels" Synonyms: burn |
| 2. | combust - start to burn or burst into flames; "Marsh gases ignited suddenly"; "The oily rags combusted spontaneously" | |
| 3. | combust - 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. | combust - undergo combustion; "Maple wood burns well" Synonyms: burn |