on the instant

on the instant の類語

pdq, in no time, instantly, immediately, without delay, right away, forthwith, summarily, directly, pronto, quickly, promptly, at once, on the spot, swiftly, instantaneously, apace, straightaway, speedily, expeditiously, momentarily, exactly, precisely, sharp

on the instant の言い換えを探すには

on the instant（）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。