unknown

/'ʌn'noun/
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unknown

The explorer stood before an unknown island in the vast ocean.

Definition

  1. Adjective:

    • Not known, identified, or understood: Refers to something or someone that is not familiar, recognized, or comprehended.
    • Not famous or acclaimed: Describes a person or thing that lacks fame, recognition, or a public reputation.
    • Not known to exist: Indicates something whose existence is not recognized or confirmed.
    • Having an unnamed source: Pertains to something whose origin, creator, or author is not specified or known.

  2. Noun:

    • An unknown person or thing: Refers to a person, place, or thing that is not known or identified.
    • (Mathematics) An unknown quantity: A variable or value that is not yet determined, often represented by a symbol like x or y in an equation.
    • The condition of being unknown: The state or realm of things that are not known or understood.
Examples of Usage

  • Adjective:

    • The cause of the failure remains unknown.
    • She received a letter from an unknown sender.
    • He was an unknown actor before that role made him famous.
    • They ventured into unknown territory.

  • Noun:

    • Fear of the unknown is common.
    • In the equation 2x + 3 = 11, 'x' is the unknown.
    • The new employee was an unknown to the rest of the team.
Advanced Usage

  • "The great unknown": A phrase referring to something vast and completely unfamiliar, often the future or death.

    • Space exploration is a journey into the great unknown.

  • "An unknown quantity": Used figuratively to describe a person or thing whose abilities, effects, or character are not yet known or predictable.

    • The new policy is an unknown quantity; we're not sure how it will affect business.
Variants and Related Words
  • Unknownly (adverb): In an unknown manner. (Rarely used)
  • Unknownness (noun): The state or quality of being unknown.
Synonyms
  • Adjective: Unidentified, unfamiliar, obscure, anonymous, unnamed, uncharted.
  • Noun: Enigma, mystery, variable (mathematical).
Antonyms
  • Adjective: Known, familiar, identified, famous, renowned.
  • Noun: Certainty, known quantity.
Related Phrases
  • "Unknown to": Without the knowledge of a particular person or group.
    • Unknown to me, they had already made plans.
  • "A leap into the unknown": An action taken without knowing what the outcome will be.
    • Starting her own business was a leap into the unknown.
unknown

The explorer stood before an unknown island in the vast ocean.

Adjective
  1. not known before
    • used many strange words
    • saw many strange faces in the crowd
    • don't let anyone unknown into the house
  2. not famous or acclaimed
    • an obscure family
    • unsung heroes of the war
  3. not known to exist
    • things obscurely felt surged up from unknown depths
  4. being or having an unknown or unnamed source
    • a poem by an unknown author
    • corporations responsible to nameless owners
    • an unnamed donor
  5. not known
    • an unknown amount
    • an unknown island
    • an unknown writer
    • an unknown source
Noun
  1. a variable whose values are solutions of an equation
  2. anyone who does not belong in the environment in which they are found
  3. an unknown and unexplored region
    • they came like angels out the unknown

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