unknown Meaning, pronunciation, usage in a sentence, synonyms, ...

/ʌnˈnoʊn/

Main Example

The source of the noise was unknown.

Grammatical Info:

Adjective (adj.)

Not known or familiar; something that is not recognized or identified.

Other Example

The identity of the artist remains unknown.

The cause of the problem is still unknown.

Many species in the ocean are unknown to science.

unknown territory

unknown factors

unknown origin

unfamiliar

unidentified

obscure

/ʌnˈnoʊn/

Main Example

The unknown was a mystery to everyone.

Grammatical Info:

Noun (n.)

A person or thing that is not known or identified.

Other Example

/ʌnˈnoʊn/

Main Example

The results were unknown until the next day.

Grammatical Info:

Adverb (adv.)

In a way that is not known or recognized.

Other Example