Added 10 October 2026 decisively /dɪˈsaɪsɪvli/ adverb Categories: Describing WordsUncommon Words adverb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about decisively at Wordnik → Where our words come from → With firmness. `I will come along,' she said decisively With finality; conclusively. the voted settled the argument decisively In an indisputable degree. the Fisher Act of 1918 decisively raised their status and pay Related Words: resolutelydeterminedlydefinitivelyconclusivelycertainlyclearlycriticallypurposefullyconvincinglypersuasivelyeffectivelycrucially Back to today's word