undeclared
adjective
un·de·clared
ˌən-di-ˈklerd 
: not announced or openly acknowledged : not stated or decided in an official way : not declared
an undeclared war
an undeclared presidential candidate
a student with an undeclared major
Examples of undeclared in a Sentence
Recent Examples on the Web
Both Iran and the IAEA say Tehran hasn't been enriching uranium, but nonproliferation experts worry that the Islamic Republic may be moving its stockpile to undeclared areas.
—
ABC News,
24 June 2026
More than 500,000 packages of macaroni and cheese sold at Aldi have been recalled over a potentially undeclared allergen.
—
James Powel,
USA Today,
15 June 2026
Fox News Digital has obtained security video through a public records request showing Sheriff Chris Nanos stopped for bringing an undeclared handgun to a Transportation Security Administration checkpoint at the Tucson International Airport ahead of a trip to Laguna Beach in California.
—
Michael Ruiz,
FOXNews.com,
9 June 2026
Four years prior, 649 Argentinian soldiers died during an undeclared war that the ruling military junta launched against the United Kingdom to claim a territory that Britain calls the Falkland Islands.
—
Franklin Leonard,
Vanity Fair,
14 May 2026
See All Example Sentences for undeclared
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ABC News,
24 June 2026
More than 500,000 packages of macaroni and cheese sold at Aldi have been recalled over a potentially undeclared allergen.
—
James Powel,
USA Today,
15 June 2026
Fox News Digital has obtained security video through a public records request showing Sheriff Chris Nanos stopped for bringing an undeclared handgun to a Transportation Security Administration checkpoint at the Tucson International Airport ahead of a trip to Laguna Beach in California.
—
Michael Ruiz,
FOXNews.com,
9 June 2026
Four years prior, 649 Argentinian soldiers died during an undeclared war that the ruling military junta launched against the United Kingdom to claim a territory that Britain calls the Falkland Islands.
—
Franklin Leonard,
Vanity Fair,
14 May 2026
See All Example Sentences for undeclared
Cite this Entry
“Undeclared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeclared. Accessed 30 Jun. 2026.
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