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

Only one unidentified vehicle remained, sometimes assisting with opening and closing the gate as cars entered; someone from the vehicle had keys to unlock the fence. — Alex Harris, Miami Herald, 13 July 2026

According to a report on New York’s ABC7, citing an unidentified police source (and multiple social media posts), a large number of fans rushed at least two of the stadium’s gates and got past security without being screened. — Jem Aswad, Variety, 13 July 2026

Powers said Victor, who was with Lorenzo on July 7 when an ICE agent shot and killed him, also told her that an unidentified individual walked up to the passenger side of the van where Victor was sitting with the window open. — Caroll Alvarado, CNN Money, 13 July 2026

The unidentified mom, who was pushing a stroller, was struck by the train and died at the scene, officials added. — Gina Kalsi, PEOPLE, 13 July 2026