unheard-of

聞いたことがない,未知の

unheard-of の類語

fantastic, unique, undiscovered, strange, unknown, unusual, unbelievable, unprecedented, unfamiliar, unidentified, able, wonderful, rare, incredible, uncharted, unimaginable, puzzling, enigmatic, inconceivable, extraordinary, remarkable, unexpected, fascinating, fabulous, exceptional, uncommon, phenomenal, out-of-the-way, different, marvelous, miraculous, undisclosed, unexplained, incomprehensible, nameless, out of this world, wondrous, outlandish, virgin, unexplored, bewildering, striking, little known, mysterious, sealed, unknowable, obscure, unpopular, unsuspected, original, out of the ordinary, sensational, unbeknown, unexposed, untouched, unnoticed, unthinkable, novel, extreme, fantastical

unheard-of の反意語

known, familiar, usual, precedented

unheard-of の言い換えを探すには

unheard-of（聞いたことがない）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。