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

Petrova made a brief appearance via video conference at her first court appearance after being arrested and charged Wednesday with trying to bring undeclared frog embryos into the U.S. as part of her research. —Laura Romero, ABC News, 15 May 2025

But at baggage claim, officers flagged her luggage for undeclared items. —Lauren Villagran, USA Today, 13 May 2025

However, Israel reserves these strategic missiles for a doomsday scenario involving the use of its undeclared nuclear weapons rather than for conventional strikes and wars. —Paul Iddon, Forbes.com, 1 May 2025

The presence of undeclared color additives violates labeling requirements and may present a risk for people with sensitivities. —Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025

Word History

First Known Use

1526, in the meaning defined above

Rhymes for undeclared

• aired
• bared
• blared
• caird
• cared
• chaired
• dared
• erred
• fared
• flared
• glared
• haired