What are some alternative words for unknown?

Synonyms for unknown

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term unknown.

Princeton's WordNet

  1. unknown, unknown region, terra incognita(noun)

    an unknown and unexplored region

    "they came like angels out the unknown"

    stranger, unknown quantity, terra incognita, unknown region, alien

    illustrious, familiar, celebrated, notable, better-known, known, proverbial, noted, best-known, far-famed, onymous, legendary, identified, suspected, famed, well-known, famous, glorious, renowned

  2. stranger, alien, unknown(noun)

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

    unknown region, extraterrestrial, stranger, terra incognita, unknown quantity, alien, noncitizen, outlander, extraterrestrial being, foreigner

    illustrious, far-famed, noted, renowned, glorious, identified, known, better-known, well-known, suspected, legendary, proverbial, celebrated, familiar, famed, notable, best-known, famous, onymous

  3. unknown, unknown quantity(adj)

    a variable whose values are solutions of an equation

    stranger, unknown quantity, terra incognita, unknown region, alien

    known, famed, illustrious, suspected, best-known, proverbial, onymous, legendary, famous, far-famed, celebrated, well-known, glorious, familiar, better-known, noted, identified, renowned, notable

  4. unknown(adj)

    not known

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

    unidentified, strange, unnamed, unsung, obscure, nameless

    legendary, notable, identified, better-known, proverbial, onymous, best-known, familiar, celebrated, suspected, renowned, famous, known, noted, far-famed, famed, glorious, illustrious, well-known

  5. nameless, unidentified, unknown, unnamed(adj)

    being or having an unknown or unnamed source

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

    unidentified, strange, unnamed, unsung, obscure, nameless

    celebrated, proverbial, noted, onymous, identified, best-known, known, renowned, better-known, well-known, notable, familiar, illustrious, legendary, glorious, far-famed, famous, suspected, famed

  6. unknown(adj)

    not known to exist

    "things obscurely felt surged up from unknown depths"

    unidentified, strange, unnamed, unsung, obscure, nameless

    noted, famous, famed, best-known, known, well-known, celebrated, identified, far-famed, notable, suspected, onymous, illustrious, glorious, proverbial, familiar, better-known, legendary, renowned

  7. obscure, unknown, unsung(adj)

    not famous or acclaimed

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

    unnoticeable, dark, hidden, obscure, unnamed, unvalued, strange, unidentified, apart(p), vague, isolated, unappreciated, nameless, unsung

    famed, illustrious, best-known, well-known, notable, proverbial, celebrated, legendary, noted, famous, suspected, better-known, renowned, onymous, identified, glorious, familiar, far-famed, known

  8. strange, unknown(adj)

    not known before

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

    unusual, unnamed, unidentified, strange, obscure, foreign, nameless, unsung

    noted, proverbial, best-known, glorious, better-known, notable, identified, well-known, famed, familiar, far-famed, legendary, celebrated, famous, suspected, renowned, illustrious, known, onymous

English Synonyms and Antonyms

  1. unknown

    That is mysterious in the true sense which is beyond human comprehension, as the decrees of God or the origin of life. That is mystic or mystical which has associated with it some hidden or recondite meaning, especially of a religious kind; as, the mystic Babylon of the Apocalypse. That is dark which we can not personally see through, especially if sadly perplexing; as, a dark providence. That is secret which is intentionally hidden. Compare DARK.

    See synonyms for CLEAR.

    abstruse, cabalistic, dark, enigmatical, hidden, incomprehensible, inexplicable, inscrutable, mysterious, mystic, mystical, obscure, occult, recondite, secret, transcendental, unfathomable, unfathomed

Complete Dictionary of Synonyms and Antonyms

  1. unknown

    mysterious, hidden, obscure, unrecognized

Editors Contribution

  1. action-directed

    context clues


    Submitted by anonymous on June 7, 2020  
  2. anonymous

    not known by name ,unidentified

    i received an anonymous gift.

    Submitted by Aya11115 on November 25, 2019  

Dictionary of English Synonymes

  1. unknown(a.)

    unascertained, not known

  2. unknown(a.)

    mysterious, mystic, hidden, dark, enigmatical

  3. unknown(a.)

    without the knowledge of

  4. unknown(a.)

    obscure, undistinguished, nameless, unnoted, unhonored, renownless, inglorious

Synonyms, Antonyms & Associated Words

  1. unknown(a)

    obscure, inglorious, unrenowned, nameless, undistinguished, unascertained, unexplored, unapprehended, anonymous

How to pronounce unknown?

US English

How to say unknown in sign language?

  1. unknown

Words popularity by usage frequency


How to use unknown in a sentence?

  1. Damien Chazelle:

    It surprised me because there are so many things that we weren't able to focus on not only during the lunar EVA but in the entirety of Apollo 11, just by the nature of the story we were telling, we just couldn't go into every detail. So our through-line became -- especially at this part of the movie where it's the final emotional journey for Neil -- what were the private, unknown moments of Neil on the moon ?

  2. Daniel J. Boorstin:

    The American experience stirred mankind from discovery to exploration. From the cautious quest for what they knew (or thought they knew) was out there, into an enthusiastic reaching to the unknown. These are two substantially different kinds of human enterprise.

  3. Fabrice:

    The average woman would rather have beauty than brains, because the average man can usually see better than he can think! (unknown)

  4. Olga Korbut:

    I came to the Olympic Games completely unknown. Nobody knew who Olga Korbut was, and overnight I became a big star.

  5. Mary Kirby:

    This is all part of intellectual property strategy at play -- the seat and aircraft makers are trying to cover themselves for the future, which is unknown, and the regulations of the future which are also unknown.

Translations for unknown

From our Multilingual Translation Dictionary

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  1. unknown

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    An antonym for "pesky"
    • A. pettish
    • B. pestilent
    • C. agreeable
    • D. plaguey

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