Unknown Definition

ŭn-nōn
unknowns
adjective
Not known.
Webster's New World
Not identified, ascertained, or established.
Received flowers from an unknown admirer.
American Heritage
Not well known or widely known.
An unknown artist.
American Heritage
Antonyms:
noun
unknowns
That which is unknown.
Investigating the unknown.
American Heritage
Something that is not known.
This case has many unknowns.
American Heritage
An unknown person or thing.
Webster's New World
A person who is not well known, as to the general public.
Cast an unknown in the starring role.
American Heritage
An unknown mathematical quantity; also, a symbol for this.
Webster's New World
Synonyms:
Antonyms:

Other Word Forms of Unknown

Noun

Singular:
unknown
Plural:
unknowns

Origin of Unknown

  • From un- +"Ž known, past participle of know. Cf. Old English ungecnawen.

    From Wiktionary

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