Added 9 October 2026 smoulder /ˈsməʊldə(ɹ)/ verb Categories: FeelingsActionsRare Words verb ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about smoulder at Wordnik → Where our words come from → Alternative form of smolder. To smother; to suffocate; to choke. noun smoke; smother Alternative form of smolder. A disease of narcissus and related flowers caused by the fungus Botrytis narcissicola, and characterized by dark brown lesions on the leaves. Related Words: hatchfesterincubatesmothersmoorstifleasphyxiatesmudgesuffocatestrangledrownenmuffle Back to today's word