unsubstantiated

根拠薄弱

unsubstantiated の類語

not proved, unfounded, without grounds, unconfirmed, unsupported, not following, untested, groundless, unverified, unsupported by evidence, without basis, uncorroborated, uncertified, inconclusive, unauthenticated, unproven, undetermined, untried, unproved, unsettled, unestablished, unattested, unvalidated, indecisive, unfixed, unascertained, shaky

unsubstantiated の反意語

supported, confirmed, certified

例文

• Certainty, it was an unsubstantiated rumour.
  もちろん、デマだったよ。
• Obviously, it was an unsubstantiated rumour.
  もちろん、デマだったよ。

unsubstantiated の言い換えを探すには

unsubstantiated（根拠薄弱）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。