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

Investigators also considered the possibility of an intruder after finding a broken basement window and an unidentified shoe print. — Encyclopedia Britannica, 20 Aug. 2026

The unidentified man, who appeared to have been dead for some time, was found deep inside the pipe system, making the recovery difficult, a source told Star-Telegram media partner WFAA-TV. — Shambhavi Rimal, Fort Worth Star-Telegram, 20 Aug. 2026

The suspect converted to Islam about five years ago and in messages with unidentified users pledged support to ISIS, the criminal complaint said. — Jack Date, ABC News, 20 Aug. 2026

Set in the aftermath of an unidentified conflict, the film follows Nina as she’s embroiled in a yearslong plot of subtle retaliation for her family’s horrific murder. — Derek Lawrence, Entertainment Weekly, 19 Aug. 2026