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

In those years many Latin American countries had repressive governments, military coups, dictatorships, and undeclared wars against the poor and the indigenous population, which were backed by the CIA in the context of the Cold War. — Literary Hub, 18 Sep. 2026

Inspectors are also allowed access to undeclared sites -- activities that could involve research that would contribute to nuclear energy. — Chris Boccia, ABC News, 17 Sep. 2026

The recall comes days after a separate recall by Whole Foods of a specialty cheese item due to an undeclared allergen. — Chiara Kim, PEOPLE, 17 Sep. 2026

California residents are tracking a rising rabies threat, a grocery recall over an undeclared allergen and new traffic-calming work in a Sacramento-area suburb. — Sacbee.com, 15 Sep. 2026

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