certainly

確かに,確実;きっと,まちがいなく

certainly の類語

surely, sure, indeed, for sure, of course, sure thing, for certain, definitely, truly, to be sure, assuredly, naturally, sure enough, undoubtedly, distinctly, sure as shooting, really, quite, actually, absolutely, clearly, roger, by all means, positively, exactly, yes, rather, yeah, ok, good, right, fine, seriously, just so, doubtless, obviously, all right, as you say, well and good, very well, da, necessarily, for real, alright, yep, good enough, in fact, why yes, precisely, certainty, nothing else but, historically, oui, at any rate, in truth, yes sir, amen, in reality, inevitably, without doubt

certainly の反意語

unsure

例文

• You're certainly looking fit as a fiddle today.
  今日はとても元気そうだね。
• She certainly looks beautiful in a Japanese kimono.
  彼女は和服を着て、実に美しく見える。
• Susan may not come, but Betty certainly will.
  スーザンは来ないかもしれないが、しかしベティーはきっと来ます。

certainly の言い換えを探すには

certainly（確かに）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。