Synonyms of unidentified

unidentified

adjective

ˌən-ī-ˈden-tə-ˌfīd 

1

as in one

known but not named

an unidentified worker reported the security breach

Synonyms & Similar Words

• one
• unnamed
• anonymous
• unspecified
• certain
• some
• specific
• given
• particular

Antonyms & Near Antonyms

• named
• known
• specified

2

as in unnamed

not named or identified by a name

some unidentified person helped them and then left quietly

Synonyms & Similar Words

• unnamed
• anonymous
• untitled
• nameless
• unbaptized
• faceless
• innominate
• unspecified
• unknown
• undetermined
• incognito
• unchristened
• unsung
• unheralded
• obscure
• unheard-of
• unremarkable
• uncelebrated
• unexceptional

Antonyms & Near Antonyms

• named
• designated
• termed
• dubbed
• labeled
• known
• specified
• famous
• notable
• titled
• noteworthy
• baptized
• remarkable
• famed
• denominated
• noted
• renowned
• celebrated
• christened
• exceptional
• well-known
• tabbed

Example Sentences

Recent Examples of unidentified

An unidentified ‘Secret Pro’, writing in Escape Collective last year, gave an indication of why. — Chris Marshall-Bell, New York Times, 29 June 2026

Nine teens and probation staff members at Los Padrinos were hospitalized last July after they were exposed to an unidentified narcotic. — James Queally, Los Angeles Times, 30 June 2026

Detainees later told authorities where to search for the bodies, leading Mexican prosecutors to uncover four unidentified bodies in the mountains. — Megan Janetsky, Chicago Tribune, 26 June 2026

The company’s lax security allowed the unidentified Chinese developer to continue accessing all customer personal information even after leaving the company, South Korean officials said. — ABC News, 2 July 2026