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Definitions

unknown

[uhn-nohn] / ʌnˈnoʊn /
ADJECTIVE
obscure, mysterious
Synonyms
STRONGEST
anonymous exotic foreign nameless new remote strange uncharted undiscovered unexplained unexplored unfamiliar unidentified unnamed unrecognized
STRONG
X alien dark far secret
WEAK
concealed desolate distant far-off faraway hidden humble incog incognito little-known such and such unapprehended unascertained uncelebrated undistinguished unheard-of unnoted unperceived unrenowned unrevealed unsung untold
Antonyms
STRONGEST
common familiar identified known named native normal regular relevant usual

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.

They’re human; they want and need, betray and boast, and persevere against the unknown in ways that we all are right now.

From Salon • May 1, 2026

Much about Tanyka remains unknown, especially its full body shape.

From Science Daily • May 1, 2026

“He ate some snacks, had some drinks, and it’s unknown if he actually stole anything else,” Bundy said.

From Los Angeles Times • Apr. 30, 2026

Help came from an unknown member of the public.

From BBC • Apr. 30, 2026

“I was exploring unknown territory,” Duane explained to his host.

From "The Very, Very Far North" by Dan Bar-el

Vocabulary lists containing unknown

Operations and Algebraic Thinking

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