unnoticed

adjective

un·​no·​ticed ˌən-ˈnō-təst 

: not seen or noticed

an unnoticed error

a change that has gone unnoticed

Examples of unnoticed in a Sentence

Recent Examples on the Web

This results in security and compliance gaps that go unnoticed until an incident reveals them. — Imran Aftab, Forbes.com, 6 Aug. 2026

Can an ancient kingdom exist unnoticed in the shadows of modern civilization? — Wilson Chapman, IndieWire, 5 Aug. 2026

News of the attacks, which initially went unnoticed, is reverberating across Silicon Valley and Washington amid debates over how to address the advanced cybercapabilities of AI. — Huo Jingnan, NPR, 1 Aug. 2026

William Shatner is revealing the terrifying health scare that nearly went unnoticed. — Stephanie Giang-Paunon, FOXNews.com, 1 Aug. 2026

Word History

First Known Use

1660, in the meaning defined above

Phrases Containing unnoticed

• pass unnoticed

Rhymes for unnoticed

• noticed
• remotest