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.
  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.Compare carnal knowledge.


  1. creating, involving, using, or disseminating special knowledge or information: A computer expert can always find a good job in the knowledge industry.
  1. to one’s knowledge, according to the information available to one: To my knowledge he hasn’t been here before.


  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. come to one’s knowledge to become known to one
  8. to my knowledge
    1. as I understand it
    2. as I know
  9. grow out of one’s knowledge Irish to behave in a presumptuous or conceited manner

early 12c., cnawlece “acknowledgment of a superior, honor, worship;” for first element see know. Second element obscure, perhaps from Scandinavian and cognate with the -lock “action, process,” found in wedlock. Meaning “capacity for knowing, understanding; familiarity; fact of knowing” is late 14c. Sense of “an organized body of facts or teachings” is from c.1400, as is that of “sexual intercourse.” Also a verb in Middle English, knoulechen “acknowledge” (c.1200), later “find out about; recognize,” and “to have sexual intercourse with” (c.1300).

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

49 queries 0.633