Define know. know synonyms, know pronunciation, know translation, English dictionary definition of know. to understand as true: I know the sun will come up tomorrow.; to be aware of: I know …

KNOW definition: to perceive or understand as fact or truth; to apprehend clearly and with certainty. See examples of know used in a sentence.

KNOW definition: 1. to have information in your mind: 2. used to ask someone to tell you a piece of information…. Learn more.

To know something means to have a piece of information or a certain understanding of something. If someone tells you their phone number and you remember it, you know.

Definition of know verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

14 meanings: 1. to be or feel certain of the truth or accuracy of (a fact, etc) 2. to be acquainted or familiar with 3. to have.... Click for more definitions.

Definition of know in the Definitions.net dictionary. Meaning of know. What does know mean? Information and translations of know in the most comprehensive dictionary definitions resource …