unchallenged

比類ない、独歩

unchallenged の類語

at one, undisputed, unopposed, uncontested, unquestioned, unanimous, at one with, solid, of one accord, with one voice, agreeing, uncontroversial, concurrent, with one consent, past dispute, like minded, doubtless, of one mind, like-minded, undoubted, of a piece, in agreement, beyond question, concordant, carried by acclamation, uncontroverted, noncontroversial, consentaneous

unchallenged の反意語

controversial, contested, opposed

例文

• Japan's competitiveness in camera making is unchallenged.
  カメラ製造における日本の競争力は揺るぎない。
• I cannot let it go unchallenged.
  それは聞き捨てならんな。

unchallenged の言い換えを探すには

unchallenged（比類ない）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。