Countersign
Countersign noun - A word or phrase that must be spoken by a person in order to pass a guard.
Usage example: the guard demanded the countersign
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Synonyms for Countersign
Sign is a synonym for countersign in endorse topic. In some cases you can use "Sign" instead the word "Countersign" as a verb or a noun, when it comes to topics like indication.
Nearby Words: countersigned, countersigning
Sign
Sign verb - To write one's name on (as a document).
Usage example: you'll have to sign the contract for it to be legal
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Synonyms for Sign
Countersign is a synonym for sign in indication topic. You can use "Countersign" instead the word "Sign" as a verb or a noun, if it concerns topics such as autograph.
Mutual synonyms
Both words in one sentence
- Passwords in Freemasonry use the sign/countersign technique but usually with gestures, letters, and sounds instead of words.
Source: Spy Speak -
The sign/countersign exchange is even a more elaborate version of the one from that episode.
- La Résistance fighters on Gereon in the Gaunt's Ghosts novel Traitor had a sign/countersign/duress code system.
Source: Spy Speak
Cite this Source
Sign and Countersign. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/countersign/sign
Countersign & Sign. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/countersign/sign>.
Sign or Countersign. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/countersign/sign.
Google Ngram Viewer shows how "countersign" and "sign" have occurred on timeline