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

Nigeria's foreign ministry said one was allegedly killed by police officers and the other by unidentified attackers. — ABC News, 11 Sep. 2026

In the company’s new subscription product, there is no flurry of random off-topic comments posted by unidentified users. — Brian Steinberg, Variety, 10 Sep. 2026

The unidentified juvenile was bitten while swimming in the preserve, and deputies said the victim and several other juveniles became stranded on a sandbar. — Steven Yablonski, CBS News, 9 Sep. 2026

Police lost track of the unidentified man, but Smith was pursued by an officer to the 2400 block of North 37th Street. — Adrienne Davis, jsonline.com, 9 Sep. 2026