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

Grossi and a team of senior inspectors also visited a previously undeclared site in the country. — Stephanie Liechtenstein, Los Angeles Times, 7 Sep. 2026

Nine in 10 undeclared-major students at the College of Engineering chose to study electrical and computer engineering this year, compared to just two in 10 in 2023, according to data from the university. — Justina Lee,lisa Kim, CNBC, 4 Sep. 2026

Several foods, supplements and pet products were recalled in August over concerns ranging from possible salmonella and listeria contamination to undeclared allergens, foreign materials and other potential hazards. — Sacbee.com, 2 Sep. 2026

The products may contain undeclared milk products, according to the notice. — Melina Khan, USA Today, 21 Aug. 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