Synonyms for unknown
ʌnˈnoʊnun·known

English Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

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.

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

Complete Dictionary of Synonyms and AntonymsRate these synonyms:3.0 / 1 vote

1. unknown

   Synonyms:
   mysterious, hidden, obscure, unrecognized

Princeton's WordNetRate these synonyms:4.8 / 4 votes

1. unknown, unknown region, terra incognitanoun

   an unknown and unexplored region

   "they came like angels out the unknown"

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

   Antonyms:
   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, unknownnoun

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

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

   Antonyms:
   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 quantityadjective

   a variable whose values are solutions of an equation

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

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

4. unknownadjective

   not known

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

   Synonyms:
   unidentified, strange, unnamed, unsung, obscure, nameless

   Antonyms:
   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, unnamedadjective

   being or having an unknown or unnamed source

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

   Synonyms:
   unidentified, strange, unnamed, unsung, obscure, nameless

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

6. unknownadjective

   not known to exist

   "things obscurely felt surged up from unknown depths"

   Synonyms:
   unidentified, strange, unnamed, unsung, obscure, nameless

   Antonyms:
   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, unsungadjective

   not famous or acclaimed

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

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

   Antonyms:
   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, unknownadjective

   not known before

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

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

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

Matched Categories

1. • Region

Editors ContributionRate these synonyms:5.0 / 1 vote

1. anonymous

   not known by name ,unidentified

   i received an anonymous gift.

   Submitted by Aya11115 on November 25, 2019  

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. unknownadjective

   Synonyms:
   unascertained, not known

2. unknownadjective

   Synonyms:
   mysterious, mystic, hidden, dark, enigmatical

3. unknownadjective

   Synonyms:
   without the knowledge of

4. unknownadjective

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

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. unknownadjective

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

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "unknown":

   unidentified, inconnu, stranger, unfamiliar, unknowns, unrecognized, uncharted, undetermined, undisclosed, known, little-known, indeterminate, unsung, unnamed, anonymous, unspecified, unheard, doe, uncertain, undiscovered

Suggested Resources

1. unknown

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2. unknown

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3. unknown

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

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How to use unknown in a sentence?

1. Tammy Van-Loan:

   I'm naturally very introverted, i like schedule and consistency, and to venture something unknown is just something I would never do before. Girl Scouts has helped me branch out and do the unknown.

2. Sir Arthur Eddington:

   We have found a strange footprint on the shores of the unknown. We have devised profound theories, one after another, to account for its origins. At last, we have succeeded in reconstructing the creature that made the footprint. And lo It is our own.

3. Robyn Meurant:

   The big fear has been that the market gets flooded with tests of unknown quality, or unknown performance, and with Ebola you need to know what are the limitations. A false positive has enormous implications. So does a false positive, so this is not a perfect test but... for a rapid test, (it is) not too bad at all.

4. 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.

5. Sir Arthur Eddington:

   Something unknown is doing we don't know what.