decidedly

UK: dɪˈsaɪdɪdli | US: dɪˈsaɪdɪdli

Definition
  1. adv. in a clear and definite manner; unquestionably

  2. adv. with firmness or resolve

Structure
decide <to determine>ed <past participle suffix>ly <adverb suffix>
Etymology

The word "decidedly" originates from the verb "decide," which comes from Latin decidere (de- "off" + caedere "to cut"). The past participle suffix "-ed" transforms it into an adjective ("decided"), and the adverb suffix "-ly" further modifies it to indicate manner. The progression reflects a shift from action ("to cut off" or resolve) to a qualitative descriptor ("unquestionably").

Examples
  1. She was decidedly unimpressed by the proposal.

  2. His tone was decidedly firm during the negotiation.

  3. The results were decidedly in favor of the new policy.

  4. He spoke decidedly, leaving no room for doubt.

  5. The weather turned decidedly colder by evening.