countersink

〜にさら穴をあける;〜をさら穴に埋める

countersink の類語

cup, eye, set, puncture, hole, vent, air hole, perforation, pierce, buttonhole, mortise, mine, lower, finger hole, stick, fix, loophole, pink, punch, bite, keyhole, manhole, drill, lance, bore, gore, peephole, eyelet, tap, run through, tunnel, dig, sink, dive, needle, spike, spit, stab, perforate, spear, prick, penetrate, riddle, bunghole, armhole, excavate, honeycomb, plughole, hawse, thumbhole, counterbore, posthole, skewer, ream, impale, deepen, depress, gouge, broach, lour

countersink の言い換えを探すには

countersink（さら穴をあける）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。