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 unidentified perpetrator was also transported to a hospital, authorities said. — Somayeh Malekian, ABC News, 7 Nov. 2026

For one, thousands of the refrigeration controllers in France alone were exposed to the open internet with almost no protection put in place before unidentified hackers went after them in October. — Jenna McLaughlin, NPR, 6 Nov. 2026

Czech police say four unidentified flights headed for Prague have also received threats. — Matteo Moschella, NBC news, 5 Nov. 2026

Prosecutors said a suspect vehicle was developed and an individual was interviewed, and that unidentified person provided the location of Malayshia's body. — Joe Holden, CBS News, 5 Nov. 2026