Know: Definition

Know definition: to perceive or understand as fact or truth; to apprehend clearly and with certainty.. See examples of KNOW used in a sentence. Find 551 different ways to say KNOW , along with antonyms, related words, and example sentences at Thesaurus .com. Learn the meaning, pronunciation, and grammar of the verb know , as well as its synonyms, antonyms, and idioms. Find out how to use know in different contexts and situations, such as expressing certainty, familiarity, or experience. Learn the meaning, synonyms, grammar, and examples of the verb know in English. Find out how to use know with different objects, clauses, and expressions.