not known

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dark adj.
unidentified adj.

ADJECTIVE

dark

Synonyms

STRONGEST

deep mysterious

STRONG

mystic occult

WEAK

Delphian abstruse anagogic arcane cabalistic complicated concealed cryptic enigmatic esoteric intricate knotty mystical mystifying obscure puzzling recondite

Antonyms

WEAK

apparent bright brilliant cheerful distinct encouraging evident good happy hopeful illuminated light lucid luminous manifest moral plain pleased radiant shining visible vivid

ADJECTIVE

unidentified

Synonyms

STRONGEST

anonymous mysterious nameless unknown unnamed

WEAK

pseudonymous unclassified unfamiliar unmarked unrecognized unrevealed

Antonyms

STRONGEST

identified known named

WEAK

public

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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not known

The price paid by Zuckerberg in the off-market deal is not known.

From Barron's ● Aug. 20, 2026

It is not known whether these issues were probed further.

From BBC ● Aug. 16, 2026

Pilates has a lot of benefits, but it’s not known for being especially sweaty or for building larger muscles.

From Salon ● Aug. 5, 2026

It may be unusual for such forthright admissions of wrongdoing to come from an administration not known for scrupulous rectitude.

From Los Angeles Times ● Jul. 28, 2026

She had not known his grandparents were from Russia till now.

From "Habibi" by Naomi Shihab Nye

not known

Example Sentences

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