countersign
合い言葉,応答信号
countersign の類語
password, word, watchword, initial, visa, swear to, ok, second, sign, x, support, autograph, initials, accept, subscribe to, rubber stamp, monogram, guarantee, confirm, seal, signature, warrant, permit, countersignature, authenticate, approve, subscription, pass on, underwrite, give the go-ahead, pass upon, parole, calling card, endorsement, credentials, endorse, id card, give permission, card, pass, hand, mark, cross, dog tag, sanction, sign manual, validate, sign and seal, authorize, mark of signature, promise, device, affirm, say amen to, swear, certify, give thumbs up, ratify, notarize, john hancock
関連語
countersign の言い換えを探すには
countersign（合い言葉）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。