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Definition of "know" [know]

  • To perceive directly; grasp in the mind with clarity or certainty. (verb-transitive)
  • To regard as true beyond doubt: I know she won't fail. (verb-transitive)
  • To have a practical understanding of, as through experience; be skilled in: knows how to cook. (verb-transitive)
  • To have fixed in the mind: knows her Latin verbs. (verb-transitive)
  • To have experience of: "a black stubble that had known no razor” ( William Faulkner). (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "know" in a sentence
  • "We don\'t know because we don\'t want to know\ 'which passes for visionary in America circa 2009."
  • "For the person offering the service though, I think it is key to know in your mind – to * know* – that you are the best at what you do."
  • "With most endeavors which require knowledge and experience, a group will always “know” more than any one single individual, and many groups together will always know more than any one single Team."