AskDefine | Define countersign

Dictionary Definition



1 a secret word or phrase known only to a restricted group; "he forgot the password" [syn: password, watchword, word, parole]
2 a second confirming signature endorsing a document already signed [syn: countersignature] v : add one's signature to after another's to attest authenticity; "You must countersign on this line of the contract"

User Contributed Dictionary



counter- + sign


  1. a second signature added to a document to affirm the validity of the signature of the first person


  1. to add a second signature to a document, affirming the validity of the signature of another person

Extensive Definition

Countersign may refer to one of the following :

Synonyms, Antonyms and Related Words

ID card, John Hancock, OK, X, accept, accredit, affirm, amen, approve, assure, authenticate, authorize, autograph, avouch, badge, calligram, calling card, card, certify, christcross, cipher, confirm, cosign, countermark, countersignature, counterstamp, credentials, cross, device, dog tag, endorse, endorsement, give permission, give the go-ahead, give the imprimatur, give thumbs up, guarantee, hand, identification, identification badge, identification tag, initial, initials, letter of introduction, make a promise, mark, mark of signature, monogram, notarize, open sesame, pass, pass on, pass upon, password, permit, pledge, plight, press card, promise, ratify, rubber stamp, sanction, say amen to, seal, second, secret grip, serial number, shibboleth, sigil, sign, sign and seal, sign manual, signature, signet, subscribe to, subscription, support, swear, swear and affirm, swear to, tessera, token, troth, undersign, underwrite, validate, visa, vise, visiting card, vouch, vow, warrant, watchword, word
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