Definition of countersignnext
as in word
a word or phrase that must be spoken by a person in order to pass a guard the guard demanded the countersign

Synonyms & Similar Words

Relevance

countersign

2 of 2

verb

Example Sentences

Recent Examples of Synonyms for countersign
Noun
  • Kilolani is the Hawaiian word for the stargazers, those who were inspired by the heavens.
    Condé Nast, Condé Nast Traveler, 19 Aug. 2026
  • Generations of Atlantans filled the North Avenue Presbyterian Church today to say farewell to Celestine Sibley, a woman whose words had moved them for more than half a century.
    AJ Willingham, AJC.com, 18 Aug. 2026
Verb
  • Two Republicans in Florida's House delegation have endorsed Mills' challenger, Ryan Elijah, a former local television anchor.
    Caroline Linton, CBS News, 18 Aug. 2026
  • Russell Fry endorses ex-rival Darline Graham after failing to advance to special GOP US Senate primary runoff.
    , FOXNews.com, 17 Aug. 2026
Noun
  • Earlier this week, researchers outlined an attack that used a secret input provided by Microsoft 365 Copilot for enterprise to cause the AI assistant to exfiltrate a password present in the user’s inbox.
    Dan Goodin, ArsTechnica, 20 Aug. 2026
  • An active attack campaign is targeting users of the popular 1Password password manager, with the vendor’s security team warning that emails are being distributed claiming that account payment methods need updating.
    Davey Winder, Forbes.com, 18 Aug. 2026
Verb
  • The countries have held joint military drills and signed a nuclear power development pact and agreed to cooperate in human space flight projects including the selection and training of Myanmar’s first cosmonaut.
    ABC News, ABC News, 17 Aug. 2026
  • Eight-time Pro Bowl linebacker Von Miller is expected to sign with the Dallas Cowboys.
    Johnny Resendiz, CBS News, 17 Aug. 2026
Verb
  • Republicans have long opposed revenue-raising tax increases, while both parties have been loath to sign on to politically toxic cuts to healthcare and retirement benefits for seniors.
    Bloomberg, Mercury News, 20 Aug. 2026
  • Another sign on the restaurant’s door announced the arrival of The Vine Boutique Collective and directed customers to the social media pages of its Zona Rosa spot at 7101 NW 86th Terrace.
    Kansas City Star, Kansas City Star, 12 Aug. 2026
Verb
  • Perhaps the $40 trillion national deficit is starting to register.
    Jim Cramer, CNBC, 20 Aug. 2026
  • Last season, Neto registered 10 goals and 10 assists for Chelsea across all competitions, though just five goals and six assists came in his 34 Premier League appearances.
    Conor O'Neill, New York Times, 20 Aug. 2026
Verb
  • Recent Miu Miu runways and A-listers like Hailey Bieber and Chloë Sevigny have helped cosign the trend.
    Alyssa Rotunno, InStyle, 10 Aug. 2026
  • Lucky Brand’s 410 model has gone on sale — all the more reason to cosign its deep indigo wash, contrast stitching, mid-rise waist, and subtle slouch.
    Stacia Datskovska, Footwear News, 22 June 2026
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

Cite this Entry

“Countersign.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/countersign. Accessed 23 Aug. 2026.

More from Merriam-Webster on countersign

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster