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.
Customers have been urged to return products that may pose serious health risks due to undeclared allergens and potential bacterial contamination. Isabel Van Brugen, MSNBC Newsweek, 15 July 2025 Lewis Bake Shop Artisan Style 1/2 Loaf recalled for undeclared hazelnuts The product comes in a plastic bag marked with the following information: Lot codes T10 174010206, T10 174010306, T10 174010406, T10 174020206, T10 174020306 and T10 174020406, found on the front panel of the packaging. Chad Murphy, The Enquirer, 14 July 2025 The undeclared allergen that triggered the recall was peanuts, the release said. Jonathan Limehouse, USA Today, 18 June 2025 Check your medicine cabinets: certain gummy vitamins sold at Aldi and BJ's have been recalled over an undeclared allergen. Amber Brenza, Health, 15 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

Browse Nearby Words

Cite this Entry

“Undeclared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeclared. Accessed 29 Jul. 2025.

More from Merriam-Webster on undeclared

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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