extemporaneous

即席の

extemporaneous の類語

unprepared, offhand, ad-lib, off-the-cuff, improvised, impromptu, caught short, extempore, ad lib, surprised, spur-of-the-moment, unmade, taken by surprise, caught off balance, taken unawares, unrehearsed, unplanned, unhatched, rough-and-ready, uncontrived, snap, tripped up, spontaneous, hasty, unstudied, makeshift, off the cuff, unpremeditated, extemporary, jury rigged, unorganized, casual, haphazard, caught napping, taken aback, jury-rigged, unready, improvise, impulsive, unarranged, extemporized, unprimed, precipitate, informal, stopgap, ad libitum, offhanded

extemporaneous の反意語

prepared, made

extemporaneous の言い換えを探すには

extemporaneous（即席の）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。