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

The flight from Dallas-Fort Worth to Newark, New Jersey, had to make an unexpected stop in Baltimore late Thursday night due to the unidentified disruptive passenger who witnesses said was putting others at risk. — Landon Mion, FOXNews.com, 5 Sep. 2026

The scale of the disaster has proved challenging for authorities, with morgues overwhelmed by a large number of unidentified remains. — Andrew Jones, NBC news, 3 Sep. 2026

The unidentified girl was between 6 and 13 years old and had brown eyes and short dark brown or black hair, according to the Los Angeles County Medical Examiner's Office. — Emily Shapiro, ABC News, 3 Sep. 2026

After the cast exited, there was a bit of drama near the front of the theater as an unidentified man was suffering from a medical emergency and personnel were called in for help. — Patrick Brzeski, HollywoodReporter, 2 Sep. 2026