decisively

断然、思い切って、ズバリ、極めて

decisively の類語

decidedly, quickly, immediately, seriously, clearly, directly, in no time, right away, instantly, certainly, absolutely, definitely, without delay, truly, indeed, surely, at once, of course, by all means, pronto, summarily, resolutely, forthwith, at any rate, on the spot, positively, promptly, finally, swiftly, distinctly, pdq, tooth and nail, assuredly, speedily, straightaway, firmly, expeditiously, apace, steadily, heart and soul, forsooth, persistently, earnestly, staunchly, hammer and tongs

decisively の反意語

indecisively

decisively の言い換えを探すには

decisively（断然）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。