❓Unknown

Meaning

not known or identified; unfamiliar

not known or familiar

Example Sentences

The author of this letter remains unknown.

The origin of the disease remains unknown.

Synonyms

unfamiliar, unidentified, mysterious, nameless, undiscovered, hidden, secret

Entry 1

unfamiliar, unidentified, mysterious, nameless

Entry 2

unfamiliar, undiscovered, hidden, secret

Antonyms

known, familiar, identified, recognized, discovered

Entry 1

known, familiar, identified, recognized

Entry 2

known, familiar, discovered

Collocations

unknown person, unknown origin, unknown cause, unknown source, unknown fact

Entry 1

unknown person, unknown origin, unknown cause

Entry 2

unknown source, unknown origin, unknown fact

More Example Sentences

He seldom answers unknown calls.

He tends not to answer unknown calls.

He warned her not to open unknown links.

She is likely not to answer unknown calls.