primary

第一の,主要な

primary の類語

main, capital, chief, basic, important, leading, prime, primal, original, master, direct, initial, principal, fundamental, primitive, beginning, special, firsthand, first-string, essential, nascent, elementary, cardinal, foremost, simple, incipient, radical, of import, first, particular, central, basal, prenatal, elemental, crucial, pregnant, premier, creative, rudimentary, initiative, secondary, ultimate, genetic, ruling, dominant, paramount, underlying, major, aboriginal, primary election, focal, inaugural, single, great, election, star, head, front, forward, tertiary

primary の反意語

secondary, derived, unimportant, incidental, inessential

例文

• The primary cause of his failure is laziness.
  彼の失敗の第一の要因は怠惰である事だ。
• Learning to read well is of primary importance.
  読み方をしっかり習うことは最も根本的なことである。
• Mixture of the three primary colors creates black.
  三原色を混合すると黒色ができる。

primary の言い換えを探すには

primary（第一の）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。