What does Unknown mean?

Definitions for Unknown
ʌnˈnoʊnun·known

This dictionary definitions page includes all the possible meanings, example usage and translations of the word Unknown.

Princeton's WordNet

  1. unknown, unknown region, terra incognitanoun

    an unknown and unexplored region

    "they came like angels out the unknown"

  2. stranger, alien, unknownnoun

    anyone who does not belong in the environment in which they are found

  3. unknown, unknown quantityadjective

    a variable whose values are solutions of an equation

  4. unknownadjective

    not known

    "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"

  5. nameless, unidentified, unknown, unnamedadjective

    being or having an unknown or unnamed source

    "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"

  6. unknownadjective

    not known to exist

    "things obscurely felt surged up from unknown depths"

  7. obscure, unknown, unsungadjective

    not famous or acclaimed

    "an obscure family"; "unsung heroes of the war"

  8. strange, unknownadjective

    not known before

    "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house"

Wiktionary

  1. unknownnoun

    A variable (usually x, y or z) whose value is to be found.

  2. unknownnoun

    Any fact or place about which nothing is known (as in the phrase "into the unknown").

  3. unknownnoun

    A person of no identity; a nonentity

  4. unknownadjective

    Not known; unidentified; not well known.

Samuel Johnson's Dictionary

  1. Unknownadjective

    ’Tis not unknown to you,
    How much I have disabled my estate. William Shakespeare.

    Many are the trees of God, that grow
    In paradise, and various, yet unknown
    To us. John Milton, Paradise Lost.

    Here may I always on this downy grass,
    Unknown, unseen, my easy minutes pass. Wentworth Dillon.

    If any chance has hither brought the name
    Of Palamedes, not unknown to fame,
    Accus’d and sentenc’d for pretended crimes. Dryden.

    Though incest is indeed a deadly crime,
    You are not guilty, since unknown ’twas done,
    And known, had been abhorr’d. John Dryden, Don Sebastian.

    At fear of death, that saddens all
    With terrors round, can reason hold her throne?
    Despise the known, nor tremble at th’ unknown. Alexander Pope.

    The planting of hemp and flax would be an unknown advantage to the kingdom. Francis Bacon.

    I am yet
    Unknown to woman; never was forsworn. William Shakespeare.

    We stopped at a little inn, where the man of the house, formerly a servant in the knight’s family, to do honour to his old master, had, unknown to Sir Roger, put him up in a sign-post. Joseph Addison, Spectator, №. 122.

ChatGPT

  1. unknown

    Unknown refers to something that is not known, not discovered, not identified, or not understood. It often applies to information, facts, variables, or situations that are yet to be determined or revealed.

Webster Dictionary

  1. Unknownadjective

    not known; not apprehended

Dictionary of Military and Associated Terms

  1. unknown

    1. A code meaning

Suggested Resources

  1. unknown

    unknown poems -- Explore a large selection of poetry work created by unknown on Poetry.net

  2. unknown

    Quotes by unknown -- Explore a large variety of famous quotes made by unknown on the Quotes.net website.

  3. unknown

    Song lyrics by unknown -- Explore a large variety of song lyrics performed by unknown on the Lyrics.com website.

Who Was Who?

  1. Unknown

    The man who painted thousands of pictures in art galleries.

Matched Categories

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'Unknown' in Spoken Corpus Frequency: #2303

  2. Adjectives Frequency

    Rank popularity for the word 'Unknown' in Adjectives Frequency: #315

Usage in printed sourcesFrom: 

How to pronounce Unknown?

How to say Unknown in sign language?

Numerology

  1. Chaldean Numerology

    The numerical value of Unknown in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of Unknown in Pythagorean Numerology is: 4

Examples of Unknown in a Sentence

  1. John "The Penguin" Bingham, The courage to start:

    As an athlete, when you least expect it, you may find yourself standing on the threshold of an accomplishment so monumental that it strikes fear into your soul. You must stand ready, at any moment, to face the unknown. You must be ready to walk boldly thru the wall of uncertainty.

  2. Corey Lewandowski:

    New Hampshire should have been won last time, except we had a lot of people come in at the last moment, which was a rather strange situation -- thousands and thousands of people coming in from locations unknown, but I knew where their location was.

  3. Former CIA officer Henderson Cooper:

    There can and certainly will come a time when our tools are smarter than our users, when machines become our key tools, and the machine surpass our ability to think and react, we begin to approach a point where we could in fact lose control. When those machines begin to act autonomously from the humans then we are in an area of the unknown.

  4. Cathryn Clüver Ashbrook:

    We've already seen big fissures between France and Germany with Emmanuel Macron at the helm. What happens with Le Pen is a total unknown, i think The European People are just too paralyzed with fear to think about this, but in reality, it's much more dangerous than the eurozone crisis.

  5. Horace:

    Many brave men lived before Agamemnon but all are overwhelmed in eternal night, unwept, unknown, because they lack a sacred poet.

Popularity rank by frequency of use

Unknown#1#1702#10000

Translations for Unknown

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"Unknown." Definitions.net. STANDS4 LLC, 2025. Web. 19 Mar. 2025. <https://www.definitions.net/definition/Unknown>.

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