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.
Frito-Lay recently recalled some bags of Tostitos Tortilla Chips due to an undeclared allergen, and some of those were sent to retailers in Kentucky. Anthony Robledo, The Courier-Journal, 2 July 2025 However, the International Atomic Energy Association reported on May 31 that Iran had breached its non-proliferation obligations, citing undeclared locations, materials, and activities which could be used to make nuclear weapons. Jill Goldenziel, Forbes.com, 26 June 2025 Then in the brand’s Sesame Miso Salad with Salmon was recalled due to an undeclared allergen. Moná Thomas, People.com, 23 June 2025 The undeclared activities all predated the J.C.P.O.A. Isaac Chotiner, New Yorker, 22 June 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 10 Jul. 2025.

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