Word family noun decision indecision adjective decided ≠ undecided decisive ≠ indecisive verb decide adverb decidedly decisively ≠ indecisively
From Longman Dictionary of Contemporary Englishdecidedlyde‧cid‧ed‧ly /dɪˈsaɪdɪdli/ ●○○ adverb 1 [+adj/adverb]VERY definitely or in a way that is easily noticed Cole’s style is decidedly more formal than the previous manager’s.2 DETERMINED British English written in a way that shows that you are very sure about a decision ‘I’m not going to do it, ’ said Margaret decidedly.Examples from the Corpus
decidedly• One particular candidate responding to the survey went to a great deal of trouble to commit his decidedly anti-headhunting views to paper.• His gingery short cropped hair decidedly came from the former.• Well, I hope so, and not just because my own wardrobe is decidedly denim dominated.• What he had to announce for this year was, particularly in its revenue-raising aspects, decidedly thin, indeed fiscally neutral.• It was too early in the trip for a serious attempt and all of us were decidedly under the weather.• Some managers were decidedly uneasy about the changes.• He arrived at Vera Cruz on November 30, but found himself a decidedly unwelcome visitor. 