Added 10 October 2026 tranquilly adverb Categories: Describing WordsRare Words adverb ! Definition from Wiktionary (CC BY-SA). More about tranquilly at Wordnik → Where our words come from → In a tranquil manner. Related Words: calmlycalminglyserenelyquietlyplacidlyuntranquillypacificallyrelaxedlypeacefullyrestfullymellowlytranquillizingly Back to today's word