1. to burn slowly without flame, typically producing smoke
2. to show suppressed anger, hatred, or another strong emotion

1. a slow-burning fire without flame

Examples

• The campfire continued to smoulder long after we went to bed.
• Cigarette butts were smouldering in the ashtray.
• She could see him smouldering with rage after the argument.
• His eyes smouldered with resentment.
• The smoulder from the forest fire was visible for miles.
• Only a faint smoulder remained of the once-roaring bonfire.