Knowledge Definition & Meaning

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    • Synonyms knowledge American [nol-ij] / ˈnɒl ɪdʒ /

    noun

    1. acquaintance with facts, truths, or principles, as from study or investigation; general erudition.

      knowledge of many things.

    2. familiarity or conversance, as with a particular subject or branch of learning.

      A knowledge of accounting was necessary for the job.

    3. acquaintance or familiarity gained by sight, experience, or report.

      a knowledge of human nature.

    4. the fact or state of knowing; the perception of fact or truth; clear and certain mental apprehension.

      Synonyms: scholarship, erudition, comprehension, discernment, understanding

    5. awareness, as of a fact or circumstance.

      He had knowledge of her good fortune.

    6. something that is or may be known; information.

      He sought knowledge of her activities.

    7. the body of truths or facts accumulated in the course of time.

    8. the sum of what is known.

      Knowledge of the true situation is limited.

    9. Archaic. sexual intercourse.

    adjective

    1. creating, involving, using, or disseminating special knowledge or information.

      A computer expert can always find a good job in the knowledge industry.

    idioms

    1. to one's knowledge, according to the information available to one.

      To my knowledge he hasn't been here before.

    knowledge British / ˈnɒlɪdʒ /

    noun

    1. the facts, feelings or experiences known by a person or group of people

    2. the state of knowing

    3. awareness, consciousness, or familiarity gained by experience or learning

    4. erudition or informed learning

    5. specific information about a subject

    6. sexual intercourse (obsolete except in the legal phrase carnal knowledge )

    7. to become known to one

      1. as I understand it

      2. as I know

    9. to behave in a presumptuous or conceited manner

    "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 knowledge More Idioms

    1. see little knowledge is a dangerous thing; to the best of (one's knowledge).

    Related Words

    See information.

    Other Word Forms

    • knowledgeless adjective
    • preknowledge noun
    • superknowledge noun

    Etymology

    Origin of knowledge

    First recorded in 1250–1300; Middle English knouleche, equivalent to know(en) “to know” + -leche, perhaps akin to Old English -lāc suffix denoting action or practice, cognate with Old Norse (-)leikr; know 1; wedlock

    Example Sentences

    Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

    According to Dr. Shapiguzov, "to our knowledge, this is the first evidence that mitochondria influence chloroplasts through intracellular oxygen exchange."

    From Science Daily

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    They staffed the unelected institutions of the state such as the supreme leader’s office, which grew rapidly in the late 1990s; they honed their knowledge in the more radical seminaries and their own universities.

    From The Wall Street Journal

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    These friends, she said, "had an intimate knowledge of his social life both through spending time with Prince Harry and his group of friends and having access to his social media".

    From BBC

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    Wexner, the former Victoria’s Secret boss, told lawmakers in February that he was “duped” by Epstein and had no knowledge of his crimes.

    From The Wall Street Journal

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    A week after trading for cornerback Trent McDuffie, the Rams on Monday agreed to terms with cornerback Jaylen Watson, a person with knowledge of the situation said.

    From Los Angeles Times

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    Related Words

    • ability
    • awareness
    • education
    • expertise
    • familiarity
    • grasp
    • insight
    • intelligence
    • judgment
    • know-how
    • learning
    • observation
    • philosophy
    • power
    • proficiency
    • recognition
    • science
    • theory
    • wisdom

    Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

    Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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