radical

根本的な,基本的な

radical の類語

ultra, basic, revolutionary, primary, group, extremist, fundamental, born, out-and-out, all-out, positive, new, universal, comprehensive, extreme, intensive, thorough, cardinal, regular, basal, negative, exhaustive, congenital, base, left, possible, through-and-through, original, total, perfect, even, beginning, essential, chemical, absolute, digital, basis, foundation, impossible, genetic, theme, crucial, broad-based, underlying, element, root, rational, elementary, stem, wholesale, ion, differential, primitive, integral, catastrophic, sweeping, finite, rock bottom, elemental, downright

radical の反意語

moderate, old, incidental, cauline

例文

• He is very progressive, not to say radical.
  彼は過激とは言わないまでも非常に進歩的だ。
• You'd better leave off such a radical idea.
  そのような過激な考えはやめるべきだ。
• The government watched the activities of radical groups carefully.
  政府は過激派グループの活動を注意深く監視した。

radical の言い換えを探すには

radical（根本的な）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。