[ noh ]
/ noʊ /
verb (used with object), knew, known, know·ing.
to perceive or understand as fact or truth; to apprehend clearly and with certainty: I know the situation fully.
to have established or fixed in the mind or memory: to know a poem by heart; Do you know the way to the park from here?
to be cognizant or aware of: I know it.
be acquainted with (a thing, place, person, etc.), as by sight, experience, or report: to know the mayor.
to understand from experience or attainment (usually followed by how before an infinitive): to know how to make gingerbread.
to be able to distinguish, as one from another: to know right from wrong.
Archaic. to have sexual intercourse with.
verb (used without object), knew, known, know·ing.
to have knowledge or clear and certain perception, as of fact or truth.
to be cognizant or aware, as of some fact, circumstance, or occurrence; have information, as about something.
the fact or state of knowing; knowledge.
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in the know, possessing inside, secret, or special information.
know the ropes, Informal. to understand or be familiar with the particulars of a subject or business: He knew the ropes better than anyone else in politics.
Origin of know1
SYNONYMS FOR know
1 Know, comprehend, understand imply being aware of meanings. To know is to be aware of something as a fact or truth: He knows the basic facts of the subject. I know that he agrees with me. To comprehend is to know something thoroughly and to perceive its relationships to certain other ideas, facts, etc. To understand is to be fully aware not only of the meaning of something but also of its implications: I could comprehend all he said, but did not understand that he was joking.
Related formsknow·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for in the know
/ (nəʊ) /
verb knows, knowing, knew (njuː) or known (nəʊn) (mainly tr)
(also intr; may take a clause as object) to be or feel certain of the truth or accuracy of (a fact, etc)
to be acquainted or familiar withshe's known him five years
to have a familiarity or grasp of, as through study or experiencehe knows French
(also intr; may take a clause as object) to understand, be aware of, or perceive (facts, etc)he knows the answer now
(foll by how) to be sure or aware of (how to be or do something)
to experience, esp deeplyto know poverty
to be intelligent, informed, or sensible enough (to do something)she knew not to go home yet
(may take a clause as object) to be able to distinguish or discriminate
archaic to have sexual intercourse with
I know what I have an idea
know what's what to know how one thing or things in general work
you know informal a parenthetical filler phrase used to make a pause in speaking or add slight emphasis to a statement
you never know things are uncertain
in the know informal aware or informed
Derived Formsknowable, adjectiveknower, noun
Word Origin for know
Old English gecnāwan; related to Old Norse knā I can, Latin noscere to come to know
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Idioms and Phrases with in the know (1 of 2)
in the know
Privy to special or secret information, as in Not too many people are in the know about this project. [Late 1800s]
Idioms and Phrases with in the know (2 of 2)
In addition to the idioms beginning with know
- know all the answers
- know a thing or two
- know beans
- know better
- know by heart
- know by sight
- know enough to come in out of the rain
- know from Adam
- know if one is coming or going
- know it all
- know like a book
- know one's own mind
- know one's place
- know one's stuff
- know one's way around
- know only too well
- know the ropes
- know the score
- know where one stands
- know which side of one's bread is buttered
- before you know it
- (know) by heart
- come in out of the rain, know enough to
- coming or going, know if one's
- for all (I know)
- god knows
- (know) inside out
- in the know
- it takes one to know one
- left hand doesn't know what right hand is doing
- not know beans
- not know from Adam
- not know where to turn
- not know which way to jump
- thing or two, know
- what do you know
- what have you (who knows what)
- which is which, know
- you know
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.