ad-lib

即席、即興、アドリブ、フェイク

ad-lib の類語

off-the-cuff, unprepared, impromptu, offhand, extemporaneous, improvised, unrehearsed, extempore, improvise, caught short, surprised, extemporize, offhanded, extemporary, wing it, play by ear, make up, fake, vamp, unplanned, throw off, unmade, throw together, cook up, strike off, spontaneous, knock off, taken unawares, hasty, whip up, dash off, makeshift, toss out, toss off, unhatched, jury rig, uncontrived, jury rigged, unorganized, snap, haphazard, unready, unstudied, extemporise, unwritten, unpremeditated, unarranged, whomp up, precipitate, unscripted, stopgap, go off half cocked, improvize

ad-lib の反意語

prepared, scripted

ad-lib の言い換えを探すには

ad-lib（即席）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。