decidedly
adv. degree B2 Upper Intermediate US //ˌdɪˈsaɪdədɫi// UK //dɪsˈaɪdɪdli// de·cid·ed·ly
adv. in a way that is clear and definite. You use it to emphasize that there is no doubt about a situation or feeling.
adv. in a manner that is clear, definite, and unquestionable. Often used to provide emphasis to an adjective or a following clause.
The weather today is decidedly colder than yesterday.
After hearing both sides of the argument, the committee was decidedly in favor of the new policy.
The tone of the negotiations shifted decidedly toward cooperation once the primary financial hurdles were addressed by the mediators.
From decided + -ly.
Usage
Typically placed before the adjective or prepositional phrase it modifies.