To give off a strong, vivid light; shine very brightly; glare
To execute or kill with fire:
To burn with a blaze of light; burst into flame
To flame up with a bright, wavering light.
Find another word for combust. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for combust, like: blaze, burn, flame, flare and hot.