1. burns slowly without flame, typically producing smoke
2. shows suppressed anger, hatred, or other strong emotion
Usage: figurative

Examples

• The campfire smoulders long after the flames die out.
• Cigarette butts smoulder in the ashtray.
• The old log smoulders in the fireplace.
• She smoulders with resentment over the unfair treatment.
• His anger smoulders beneath a calm exterior.
• The conflict smoulders despite the ceasefire agreement.