undeclared

adjective

un·​de·​clared ˌən-di-ˈklerd How to pronounce undeclared (audio)
: 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
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.
Smuggling undeclared pesticides into the United States. Arlyssa D. Becenti, AZCentral.com, 24 Sep. 2025 The issue was discovered following consumer complaints, which led to the identification of undeclared milk in the Vegan is Believin’ product and undeclared cashew in Here Comes Truffle. Daniel Orton, MSNBC Newsweek, 24 Sep. 2025 Two Goodles products have been recalled nationwide over undeclared allergens. Jenna Anderson, Health, 16 Sep. 2025 The white cheddar mac and cheese — advertised to be vegan and plant-based — may contain undeclared milk, per the FDA. Raven Brunner, PEOPLE, 14 Sep. 2025 See All Example Sentences for undeclared

Word History

First Known Use

1526, in the meaning defined above

Time Traveler
The first known use of undeclared was in 1526

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Cite this Entry

“Undeclared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeclared. Accessed 8 Oct. 2025.

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