surefire

確かな,成功疑いなしの

surefire の類語

made, certain, successful, well-founded, sure, reliable, out in front, succeeding, well-grounded, predictable, triumphant, fast, sound, coming, trustworthy, firm, solid, dependable, assured of success, secure, stable, trusty, on top, crowned with success, substantial, steady, faithful, fortunate, unfailing, prosperous, invincible, on the up-and-up, calculable, staunch, steadfast, infallible

surefire の反意語

unpredictable, unsure, unreliable, untrustworthy, incalculable, undependable

surefire の言い換えを探すには

surefire（確かな）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。