unknown

un·known

Use unknown in a sentence

adjective

Unknown means something that people are not aware of or familiar with.
A brand new taste that you have never tasted before is an example of something that you would describe as an unknown taste.

noun

The definition of an unknown is a person or thing that you are not familiar with, or a variable in a math problem for which you are trying to solve.
1. An actor no one has ever heard of who is trying to get into the movie business is an example of an unknown.
2. In the equation "x+2 = 4," x is an example of an unknown.

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MLA Style

"unknown." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Unknown>.

APA Style

unknown. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Unknown

unknown

not known; specif.,

not in the knowledge, understanding, or acquaintance of someone; unfamiliar (to)
not discovered, identified, determined, explored, etc.

an unknown person or thing
an unknown mathematical quantity; also, a symbol for this

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MLA Style

"unknown." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Unknown>.

APA Style

unknown. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Unknown

unknown

adjective

Not known; unfamiliar: a problem unknown in earlier times.
Not identified, ascertained, or established: received flowers from an unknown admirer.
Not well known or widely known: an unknown artist.

noun

a. That which is unknown: investigating the unknown.
b. Something that is not known: This case has many unknowns.
c. A person who is not well known, as to the general public: cast an unknown in the starring role.
d. An unknown person, especially an Unknown Soldier: the tomb of the unknowns.
Mathematics A quantity of unknown numerical value.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Link/Cite

Link to this page

Cite this page

MLA Style

"unknown." YourDictionary, n.d. Web. 18 April 2019. <https://www.yourdictionary.com/Unknown>.

APA Style

unknown. (n.d.). Retrieved April 18th, 2019, from https://www.yourdictionary.com/Unknown

Adjective

(not comparable)

Not known; unidentified; not well known.

Noun

(plural unknowns)

(algebra) A variable (usually x, y or z) whose value is to be found.
Any fact or place about which nothing is known (as in the phrase "into the unknown").
A person of no identity; a nonentity

Origin

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

English Wiktionary. Available under CC-BY-SA license.