Adverb: decidedly di'sI-did-lee
- Without question and beyond doubt
"it was decidedly too expensive";
- unquestionably, emphatically, definitely, in spades [informal], by all odds
- Showing firm determination or purpose
"she decidedly refused to look at him or speak to him";
- resolutely
- With firmness of purpose
"'I will come along,' she said decidedly";
- decisively, resolutely
See also: beyond a doubt, beyond a shadow of a doubt, beyond doubt, indisputably, indubitably, resoundingly, sure as shooting [informal], without a doubt
Encyclopedia: Decidedly