decided, a.1aThey are quite decided about going there, tá siad meáite go daingean ar dhul ann. b(Of opinion) Meáite; (Of manner) cinnte. In a decided tone, de ghlór daingean dearfa. A decided refusal, eiteachas glan. 2(Of improvement, etc.) Dearfa, cinnte, follasach. A decided difference, difríocht shoiléir. ►decidedly, adv.1(Beartaím, freagraím) go daingean, go diongbháilte.2Go dearfa, go cinnte.