required

必修、必須、所要、マスト

required の類語

needed, mandatory, necessary, requisite, needful, compulsory, hard-and-fast, obligatory, imposed, wanted, must, final, mandated, ultimate, called for, entailed, indicated, binding, hard and fast, without appeal, imperative, standard, perfect, order, prerequisite, supposed, dictated, indispensable, essential, absolute, bound, vital, regulation, inevitable, obligation, decisive, incumbent, obliged, staple, involuntary, conclusive, irreplaceable, prescriptive, irrevocable, irreducible, imperious, peremptory, de rigueur, prescript

required の反意語

unnecessary, optional

例文

• Another thing that is required is a dictionary.
  もうひとつ必要なものは辞書である。
• The physical fitness courses are required for everyone.
  体育の授業は全員が必修です。
• They're required to work eight hours every day.
  彼らは１日８時間働かなければならない。

required の言い換えを探すには

required（必修）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。