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 35-year-old white male died roughly one hour and 20 minutes after being arrested Saturday evening, according to a post on the agency's Facebook page. — Daniel McFadin, Arkansas Online, 31 Aug. 2026

In portions of the video, a deputy can be seen firing an unidentified device toward people in the area, creating a visible cloud. — Paige Meyer, Sun Sentinel, 31 Aug. 2026

As part of the probe, investigators took samples of an unidentified coating on the rails near the crash and submitted it for analysis. — Marni Pyke, Chicago Tribune, 31 Aug. 2026

Cedartown Police Chief Jamie Newsome told the outlet officials have launched an investigation into the shooting and placed the unidentified officer on administrative leave. — Michelle Del Rey, USA Today, 31 Aug. 2026