first

第1の,1番目の;最初の

first の類語

premier, original, foremost, prime, first off, first of all, for the first time, firstly, chief, inaugural, leading, main, initial, primary, basic, capital, principal, number one, beginning, front, eldest, maiden, best, primal, paramount, before, introductory, prior, earlier, initially, first thing, initiative, dominant, premiere, first step, cardinal, outset, least, prevailing, early, central, former, previous, great, star, ahead, head, first impression, opening, anterior, master, senior, older, predominant, originally, supreme, champion, firstborn, mainly, primarily

first の反意語

last, cardinal, closing, worst

例文

• I will see him at the first opportunity.
  機会があり次第、彼に会うつもりだ。
• I will do it at the first opportunity.
  機会があり次第、そうしよう。
• The first prize may be won by him.
  一等賞は彼によって勝ち取られるかもしれません。

first の言い換えを探すには

first（第1の）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。