undeclared
Britishadjective
Explanation
Anything undeclared isn't stated or admitted to in a public way. An undeclared political candidate may be seriously considering running for President, but she hasn't officially announced it. An undeclared war is conflict and violence that affects people's lives despite the fact that no government is officially calling it a war. If you're a college student with an undeclared major, you haven't decided which subject to focus on. Once you choose, you'll have a declared major. When it comes to paying taxes, any income that someone hides from the IRS is also undeclared: "She had to pay a fine because of those undeclared tips."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“At night, there’s an undeclared curfew in Havana because of the risk of arrest,” Morgado said.
From The Wall Street Journal ● Jul. 5, 2026
The Clacton MP has faced growing questions about his finances - specifically an undeclared £5m gift he received from cryptocurrency investor and billionaire Christopher Harborne.
From BBC ● Jun. 30, 2026
Authorities will in the "near future" install scanning technology at border posts to detect undeclared rare earth minerals, Kambamura told parliament.
From Barron's ● Mar. 26, 2026
The six American service members who died in this undeclared war were “heroes,” Leavitt said.
From Salon ● Mar. 6, 2026
It’s ironic how Ms. G is helping us write about an undeclared war, and that night she was helping us fight it.
From "The Freedom Writers Diary" by The Freedom Writers
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
