unknown (A2)

adjective

Pronunciation: /ʌnˈnoʊn/

Definition

Not known or familiar.

Examples

• The cause of the disease remains unknown.

• She felt a sense of unease in the unknown territory.

• Many species of deep-sea creatures are still unknown to science.

How to Use unknown

unknown to (prepositional phrase)

Not known by someone. — "This fact was unknown to the public until recently."

remain unknown (collocation)

To continue to be not known or not discovered. — "The full extent of the damage will remain unknown for some time."

Synonyms of unknown

Words with a similar meaning to unknown:

• unfamiliar
• undiscovered
• unidentified
• obscure

Antonyms of unknown

Words with the opposite meaning to unknown:

• known
• familiar
• recognized

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