Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun unknown

3 senses of unknown

Sense 1
unknown, unknown region, terra incognita -- (an unknown and unexplored region; "they came like angels out the unknown")
       => region -- (a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions")

Sense 2
stranger, alien, unknown -- (anyone who does not belong in the environment in which they are found)
       => intruder, interloper, trespasser -- (someone who intrudes on the privacy or property of another without permission)

Sense 3
unknown, unknown quantity -- (a variable whose values are solutions of an equation)
       => variable -- (a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity)

Antonyms of adj unknown

5 senses of unknown

Sense 1
unknown (vs. known) -- (not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source")

known (vs. unknown) -- (apprehended with certainty; "a known quantity"; "the limits of the known world"; "a musician known throughout the world"; "a known criminal")
        => best-known -- (most familiar or renowned; "Stevenson's best-known work is probably `Treasure Island'")
        => better-known -- (more familiar or renowned than the other of two; "the better-known book of the two")
        => celebrated, famed, far-famed, famous, illustrious, notable, noted, renowned -- (widely known and esteemed; "a famous actor"; "a celebrated musician"; "a famed scientist"; "an illustrious judge"; "a notable historian"; "a renowned painter")
        => identified -- (having the identity known or established; "the identified bodies were released for burial")
        => legendary -- (so celebrated as to having taken on the nature of a legend; "the legendary exploits of the arctic trailblazers")
        => proverbial -- (widely known and spoken of; "her proverbial lateness"; "the proverbial absentminded professor"; "your proverbial dizzy blonde")
        => well-known -- (widely or fully known; "a well-known politician"; "well-known facts"; "a politician who is well known"; "these facts are well known")

Sense 2
nameless, unidentified, unknown, unnamed -- (being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor")

INDIRECT (VIA anonymous) -> onymous -- (bearing a name; "articles in magazines are usually onymous")

Sense 3
unknown -- (not known to exist; "things obscurely felt surged up from unknown depths")

INDIRECT (VIA unsuspected) -> suspected -- (believed likely; "a suspected thief"; "a suspected infection")

Sense 4
obscure, unknown, unsung -- (not famous or acclaimed; "an obscure family"; "unsung heroes of the war")

INDIRECT (VIA inglorious) -> glorious -- (having or deserving or conferring glory; "a long and glorious career"; "our glorious literature")

Sense 5
strange, unknown -- (not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house")

INDIRECT (VIA unfamiliar) -> familiar -- (well known or easily recognized; "a familiar figure"; "familiar songs"; "familiar guests")

Similarity of adj unknown

5 senses of unknown

Sense 1
unknown (vs. known) -- (not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source")
       => chartless, uncharted, unmapped -- ((of unknown regions) not yet surveyed or investigated; "uncharted seas")
       => little-known -- (unknown to most people)
       => unbeknown (predicate), unbeknownst (predicate) -- ((usually used with `to') occurring or existing without the knowledge of; "a crisis unbeknown to me"; "she had been ill for months, unbeknownst to the family")
       => undiagnosed -- (eluding diagnosis; "undiagnosed disease")
       => undiscovered, unexplored -- (not yet discovered; "undiscovered islands")
       => unheard-of -- (previously unknown; "a first novel by an unheard of writer"; "developments on an unheard-of scale")
       => unidentified -- (not yet identified; "an unidentified species"; "an unidentified witness")
          Also See-> inglorious#2; unacknowledged#1; unfamiliar#1

Sense 2
nameless, unidentified, unknown, unnamed -- (being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor")
       => anonymous (vs. onymous), anon. -- (having no known name or identity or known source; "anonymous authors"; "anonymous donors"; "an anonymous gift")

Sense 3
unknown -- (not known to exist; "things obscurely felt surged up from unknown depths")
       => unsuspected (vs. suspected) -- (not suspected or believed likely; "remained unsuspected as the head of the spy ring"; "he was able to get into the building unspotted and unsuspected"; "unsuspected difficulties arose"; "unsuspected turnings in the road")

Sense 4
obscure, unknown, unsung -- (not famous or acclaimed; "an obscure family"; "unsung heroes of the war")
       => inglorious (vs. glorious) -- (not bringing honor and glory; "some mute inglorious Milton here may rest")

Sense 5
strange, unknown -- (not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house")
       => unfamiliar (vs. familiar) -- (not known or well known; "a name unfamiliar to most"; "be alert at night especially in unfamiliar surroundings")