Added 10 October 2026 decidedly /dɪˈsaɪdɪdli/ adverb Categories: Describing WordsUncommon Words adverb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about decidedly at Wordnik → Where our words come from → Without question and beyond doubt. it was decidedly too expensive Related Words: definitelyunquestionablyemphaticallyunequivocallysurelyundoubtedlyunmistakablyundeniablydoubtlessindisputablyincontestably Back to today's word