knowledge

noun
knowl·​edge | \ˈnä-lij \

Definition of knowledge 

1a(1) : the fact or condition of knowing something with familiarity gained through experience or association

(2) : acquaintance with or understanding of a science, art, or technique

b(1) : the fact or condition of being aware of something

(2) : the range of one's information or understanding answered to the best of my knowledge

c : the circumstance or condition of apprehending truth or fact through reasoning : cognition

d : the fact or condition of having information or of being learned a person of unusual knowledge

2a : the sum of what is known : the body of truth, information, and principles acquired by humankind

b archaic : a branch of learning

3 archaic : sexual intercourse

4 obsolete : cognizance

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Choose the Right Synonym for knowledge

knowledge, learning, erudition, scholarship mean what is or can be known by an individual or by humankind. knowledge applies to facts or ideas acquired by study, investigation, observation, or experience. rich in the knowledge of human nature learning applies to knowledge acquired especially through formal, often advanced, schooling. a book that demonstrates vast learning erudition strongly implies the acquiring of profound, recondite, or bookish learning. an erudition unusual even in a scholar scholarship implies the possession of learning characteristic of the advanced scholar in a specialized field of study or investigation. a work of first-rate literary scholarship

Examples of knowledge in a Sentence

At that time the word science had not been narrowed down to one kind of knowledge; it meant whatever was known, and men of learning were still able to possess most of it. — Jacques Barzun, From Dawn to Decadence, 2000 With their aid, he should be able to adapt himself selectively to his culture, rejecting its evils, stupidities and irrelevances, gratefully accepting all its treasures of accumulated knowledge … and practical wisdom. — Aldous Huxley, "Culture and the … ," in Artificial Paradises, Mike Jay editor1999 The knowledge of the godawful way people act (their greed, their vicarious or direct violence), and of the youth and helplessness of those who died, leads to shame … — Harold Brodkey, New Yorker, 30 Jan. 1995 She has little knowledge of fashion. He has devoted himself to the pursuit of knowledge. She gained a thorough knowledge of local customs. Did you have any knowledge of her intentions?
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Recent Examples on the Web

The powerful technology can be used to identify people in photos or video feeds without their knowledge or permission. New York Times, "Microsoft Urges Congress to Regulate Use of Facial Recognition," 13 July 2018 Without my knowledge or consent, other passengers photographed me and recorded my conversation with a seatmate. Taylor Lorenz, The Atlantic, "Unidentified Plane Bae Woman's Statement Confirms the Worst," 13 July 2018 Mental health professionals can miss significant risks without knowledge of addiction diagnosis and treatment. Melissa Stein, STAT, "Privacy laws are hurting the care of patients with addiction," 13 July 2018 Police urge anyone with knowledge of the man’s identity of whereabouts to call or email Detective Woodson Blase, at 512-528-2849 or wblase@leandertx.gov. Matthew Martinez, star-telegram, "He wore underwear for the break-in — but not in the right place, video shows," 12 July 2018 Scott has repeatedly said the investment decisions were all made without his knowledge. Mary Ellen Klas, miamiherald, "Rick Scott and family made $550M in one transaction. How 'blind' is his blind trust?," 11 July 2018 According to new charges filed April 10, 2018 against Adidas executive James Gatto, a mother and guardian of the two unnamed KU players are said to have benefited from illicit payments, which were made without knowledge of the university. Sam Mellinger, kansascity, "Mellinger Minutes: Whit not an All-Star (?), Jeff Long and KU, Chiefs fears, Odom's crossroads," 10 July 2018 Police said about 18,000 took part in the all-women protest, with demonstrators calling for stronger investigations and punishments against male offenders who photograph or film women without their knowledge and post the material online. NBC News, "Thousands of South Korean women protest against 'spy cam porn'," 7 July 2018 Police said about 18,000 took part in the all-women protest, with demonstrators calling for stronger investigations and punishments against male offenders who photograph or film women without their knowledge and post the material online. Kim Tong-hyung, Fox News, "South Korean women protest against 'spy cam porn'," 7 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'knowledge.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of knowledge

14th century, in the meaning defined at sense 4

History and Etymology for knowledge

Middle English knowlege, from knowlechen to acknowledge, irregular from knowen

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Statistics for knowledge

Last Updated

4 Nov 2018

Look-up Popularity

Time Traveler for knowledge

The first known use of knowledge was in the 14th century

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More Definitions for knowledge

knowledge

noun

English Language Learners Definition of knowledge

: information, understanding, or skill that you get from experience or education

: awareness of something : the state of being aware of something

knowledge

noun
knowl·​edge | \ˈnä-lij \

Kids Definition of knowledge

1 : understanding and skill gained by experience He has a knowledge of carpentry.

2 : the state of being aware of something or of having information He borrowed my camera without my knowledge.

3 : range of information or awareness To my knowledge our school has never won the championship.

4 : something learned and kept in the mind : learning

knowledge

noun
knowl·​edge

Legal Definition of knowledge 

1a : awareness or understanding especially of an act, a fact, or the truth : actual knowledge in this entry

b : awareness that a fact or circumstance probably exists broadly : constructive knowledge in this entry — see also scienter, willful blindness

Note: Knowledge fundamentally differs from intent in being grounded in awareness rather than purpose.

actual knowledge

1 : direct and clear awareness (as of a fact or condition) the bank had actual knowledge that the name and account number referred to different persons

2 : awareness of such information as would cause a reasonable person to inquire further specifically : such awareness considered as a timely and sufficient substitute for actual notice (as of a work-related injury or of a bankruptcy proceeding) ruled that the employer did not have actual notice or actual knowledge within 90 days

constructive knowledge

: knowledge (as of a condition or fact) that one using ordinary care or diligence would possess had constructive knowledge of the presence of narcotics on his property

personal knowledge

: direct knowledge of a matter or of the truth or falsity of an allegation a witness may not testify to a matter unless evidence is introduced sufficient to support a finding that the witness has personal knowledge of the matterFederal Rules of Evidence Rule 602

superior knowledge

: knowledge greater than that possessed by another especially : awareness of a condition or fact that affects another who was not aware of it denied having had superior knowledge of the hazard superior knowledge of a factor in the performance of a contract

2 : the range of one's information, understanding, or expertise answered to the best of his knowledge

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Comments on knowledge

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