v., knew (nū, nyū), known (nōn), know·ing, knows.

v.tr.

1. To perceive directly; grasp in the mind with clarity or certainty.
2. To regard as true beyond doubt: I know she won't fail.
3. To have a practical understanding of, as through experience; be skilled in: knows how to cook.
4. To have fixed in the mind: knows her Latin verbs.
5. To have experience of: “a black stubble that had known no razor” (William Faulkner).
6. 1. To perceive as familiar; recognize: I know that face.
   2. To be acquainted with: He doesn't know his neighbors.
7. To be able to distinguish; recognize as distinct: knows right from wrong.
8. To discern the character or nature of: knew him for a liar.
9. Archaic. To have sexual intercourse with.

v.intr.

1. To possess knowledge, understanding, or information.
2. To be cognizant or aware.

idioms:

in the know Informal.

1. Possessing special or secret information.

you know Informal.

1. Used parenthetically in conversation, as to fill pauses or educe the listener's agreement or sympathy: Please try to be, you know, a little quieter. How were we supposed to make camp in a storm like that, you know?

[Middle English knouen, from Old English cnāwan.]

knowable know'a·ble adj.
knower know'er n.

verb

1. To perceive directly with the intellect: apprehend, compass, comprehend, fathom, grasp, understand. Scots ken. See knowledge/ignorance.
2. To participate in or partake of personally: experience, feel, go through, have, meet¹ (with), see, suffer, taste (of), undergo. Archaic prove. Idioms: run up against. See participate/abstain.
3. To undergo an emotional reaction: experience, feel, have, savor, taste. See feelings.
4. To perceive to be identical with something held in the memory: recognize. See knowledge/ignorance, remember/forget.
5. To recognize as being different: differentiate, discern, discriminate, distinguish, separate, tell. See same/different/compare.

Idioms beginning with know:
know one's way around
know better
know by sight
know like a book
know one's own mind
know one's place
know which side of one's bread is buttered
know only too well

See also 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.

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v

Definition: be familiar with
Antonyms: be ignorant, forget

v

Definition: understand information
Antonyms: misinterpret, misunderstand

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IN BRIEF: To be sure about the facts.

It's life, Jim . . . but not as we know it. — Captain Spock, Spaceship Enterprise.

Tutor's tip: The police sketch is of "no" (negative) face that I "know" (familiar with; understand).

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Common misspelling(s) of know

• knwo
• kwno
• nkwo
• nkow
• konw

Dansk (Danish)
v. tr. - vide, kunne, kende, genkende, have omgang med
v. intr. - kunne, have omgang med

idioms:

• as we know it    som vi kender til, sådan som vi kender til det
• for all I know    så vidt jeg ved
• get to know    lære at kende
• in the know    vide besked, være indviet, være indviet i en hemmelighed
• know a thing or two    være smart, er ikke tabt bag en vogn, være med på den
• know by heart    kære udenad, kunne udenad
• know like the back of one's hand    kende som sin egen bukselomme
• know of    vide besked med, være medvidende om, kende, have hørt om
• know off pat    paratviden
• know one's way around    være stedkendt, være inde i sagerne, forstå at klare sig, have levemåde
• know the ropes    kende det hele, være inde i forretningsgangen, forstå at klare sig
• know which side one's bread is buttered    kende sin egen fordel, forstå at regne den ud
• not know where to turn    ikke vide hvor man skal henvende sig, ikke vide hvad man skal gøre
• not know which way to turn    ikke vide i hvilken retning man skal

Nederlands (Dutch)
weten, kennen, thuisbrengen, bekend zijn als, seksuele omgang hebben (bijbels)

Français (French)
v. tr. - savoir, connaître, connaître (qn, qch), reconnaître (qn), voir (qch se produire), réaliser, reconnaître (qn) à (qch), distinguer, reconnaître (qch) de
v. intr. - savoir qch, connaître qch, avoir entendu parler de qch, apprendre (une nouvelle, un décès), être au courant, se garder de, connaître (un endroit), entendre parler de

idioms:

• as we know it    la façon qui a prévalu jusqu'à présent
• be not to know    ne pas pouvoir savoir (que)
• don't I know it!    ne m'en parles pas (excl)
• for all I know    autant que je sache
• get to know    apprendre qch, (arriver) à mieux connaître qn
• in the know    (être) au courant
• know a thing or two    savoir pas mal de choses
• know by heart    connaître/savoir par c¯ur
• know for a fact    en être absolument sûr
• know like the back of one's hand    connaître comme sa poche
• know of    entendre parler de, connaître (qch)
• know off pat    connaître sur le bout des doigts, connaître par c¯ur
• know one's way around    savoir se débrouiller, être débrouillard
• know the ropes    connaître les ficelles (du métier, d'une affaire)
• not know where to turn    ne pas savoir à quel saint se vouer
• not know which way to turn    ne pas savoir à quel saint se vouer
• you know    vous savez, vous comprenez

Deutsch (German)
v. - können, kennen, erkennen, wissen

idioms:

• as we know it    in seiner heutigen Form
• be not to know    nichts wissen sollen, nicht wissen können
• don't I know it!    das weiß ich nur zu gut
• for all I know    so viel ich weiß
• get to know    kennenlernen
• in the know    informiert, im Bilde
• know a thing or two    in der Welt Bescheid wissen, sich auskennen
• know by heart    auswendig können
• know for a fact    ganz genau wissen, einer Sache bewußt sein
• know like the back of one's hand    etwas wie seine Westentasche kennen
• know of    gehört haben von
• know off pat    auswendig können
• know one's way around    sich auskennen
• know the ropes    sich auskennen
• not know where to turn    keinen Ausweg (mehr) wissen
• not know which way to turn    keinen Ausweg (mehr) wissen
• you know    weißt du [noch]

Ελληνική (Greek)
v. - γνωρίζω, ξέρω, κατέχω, είμαι εξοικειωμένος (με), ξεχωρίζω, αντιδιαστέλλω, αναγνωρίζω
n. - γνώση, πληροφόρηση, ενημερότητα

idioms:

• as we know it    όπως το ξέρουμε
• for all I know    απ' ό, τι ξέρω, απ' ό, τι έχω ακουστά
• get to know    γνωρίζομαι με, μαθαίνω, εξοικειώνομαι με
• in the know    στο κόλπο, ενήμερος
• know a thing or two    κάτι νογάω, κάτι ξέρω κι εγώ
• know by heart    ξέρω απ' έξω/από στήθους
• know like the back of one's hand    ξέρω κάτι πάρα πολύ καλά
• know of    γνωρίζω για
• know off pat    ξέρω νεράκι
• know one's way around    ξέρω τα κατατόπια
• know the ropes    ξέρω τα κατατόπια/τα κόλπα
• know which side one's bread is buttered    γνωρίζω το συμφέρον μου
• not know where to turn    δεν ξέρω πού να στραφώ
• not know which way to turn    δεν ξέρω προς τα πού να στραφώ

Italiano (Italian)
sapere, conoscere

idioms:

• as we know it    come si sa
• for all I know    nonostante io sappia
• get to know    fare la conoscenza di
• God/heaven/goodness knows    lo sa Iddio
• in the know    al corrente
• know a thing or two    saperla lunga
• know by heart    sapere a memoria
• know of    aver sentito parlare di
• know off pat    sapere a memoria

Português (Portuguese)
v. - saber, conhecer

idioms:

• as we know it    como conhecemos
• for all I know    pelo que sei
• get to know    conhecer
• God/heaven/goodness knows    só Deus sabe
• in the know    que possui informações secretas ou importantes
• know a thing or two    saber de algumas coisas
• know by heart    saber de cor
• know like the back of one's hand    conhecer como a palma da mão
• know of    saber de
• know off pat    tornar-se perito em alguma coisa através da memória
• know one's way around    saber se virar
• not know which way/where to turn    não saber para onde ir

Русский (Russian)
знать, уметь, понимать, пережить, быть знакомым, знание

idioms:

• as we know it    насколько нам известно
• for all I know    как знать
• get to know    узнать
• God/heaven/ goodness knows    один бог знает
• in the know    быть в курсе дела
• know a thing or two    понимать что к чему, знать толк в чем-либо
• know by heart    знать наизусть
• know like the back of one's hand    знать, как свои пять пальцев
• know of    знать о чем-либо
• know off pat    знать на память
• know one's way around    знать дорогу, знать все ходы и выходы
• not know which way/where to turn    не знать, что делать, быть в затруднительном положении

Español (Spanish)
v. tr. - saber, saber de memoria, conocer, conocer a, saber de, tener conocimiento de, estar enterado, reconocer, distinguir
v. intr. - ser el mejor juez, saber de, tener noticias de, estar enterado de

idioms:

• as we know it    como es sabido, tal como lo conocemos
• be not to know    no tener conocimiento de causa, ignorar
• don't I know it!    si lo supiera!
• for all I know    hasta donde yo sé, a mi juicio, a mi ver
• get to know    conocer, llegar a conocer
• in the know    al corriente, al tanto, enterado, informado
• know a thing or two    saber algo, conocer cuatro cosas
• know by heart    saber de memoria
• know for a fact    dar por hecho, no tener dudas al respecto de
• know like the back of one's hand    conocer como la palma de la mano
• know of    saber de
• know off pat    saber al dedillo
• know one's way around    saber arreglárselas, tener experiencia
• know the ropes    ponerse al tanto, conocer todos los trucos
• not know where to turn    no saber a quién recurrir
• not know which way to turn    no saber a quién recurrir
• you know    sabes?

Svenska (Swedish)
v. - veta, känna (till), vara bekant med, kunna, ha lärt sig, känna igen
n. - (vara) informerad, (ha) information

中文（简体） (Chinese (Simplified))
知道, 懂得, 了解, 认识

idioms:

• as we know it    众所周知
• for all I know    就我所知
• get to know    见世面, 认识某人或某事
• in the know    知道实情, 通晓内情
• know a thing or two    明白事理, 精明能干
• know by heart    背下来地, 确实记得
• know like the back of one's hand    了如指掌
• know of    知道有...
• know off pat    很熟悉
• know one's way around    很了解某地方
• know the ropes    知道内情
• know which side one's bread is buttered    明白自己的利益所在
• not know where to turn    不知道该怎么办
• not know which way to turn    不知道该怎么办

中文（繁體） (Chinese (Traditional))
v. tr. - 知道, 懂得, 瞭解, 認識
v. intr. - 知道, 瞭解, 懂得

idioms:

• as we know it    眾所周知
• for all I know    就我所知
• get to know    見世面, 認識某人或某事
• in the know    知道實情, 通曉內情
• know a thing or two    明白事理, 精明能幹
• know by heart    背下來地, 確實記得
• know like the back of one's hand    瞭如指掌
• know of    知道有...
• know off pat    很熟悉
• know one's way around    很了解某地方
• know the ropes    知道內情
• know which side one's bread is buttered    明白自己的利益所在
• not know where to turn    不知道該怎麼辦
• not know which way to turn    不知道該怎麼辦

한국어 (Korean)
v. tr. - 알다, 이해하다 , 경험하다, 식별하다, 분간하다
v. intr. - 이해하고 있다, 알고 있다

idioms:

• as we know it    알다시피
• get to know    알게 되다
• in the know    사정에 밝아
• know of    다른 사람에게 들어서 알고 있다

日本語 (Japanese)
v. - 知っている, 知る, 見知っている, 認める, 見分けられる

idioms:

• for all I know    おそらくは
• get to know    知り合う
• in the know    内情をよく知って
• know a thing or two    いろいろ知っている, 抜け目がない
• know by heart    熟知している
• know by reputation    評判をきく
• know by repute    評判をきく
• know how many beans make five    知恵がある
• know like the back of one's hand    精通している, よく知っている
• know of    …のことを知っている
• know off pat    すっかり暗記する
• know one's onions    万事心得ている
• know one's stuff    抜かりはない
• know one's way around    地理に明るい, 世の中を心得ている, 詳しい
• know someone by sight    顔は知っている, 見て分かる
• know something backwards and forwards    精通している
• know something inside out    知り尽くしている
• know the feeling    気持ちが分かる
• know the score    事情に通じている
• know when to stop    止め時がわかる
• know which side one's bread is buttered    自分の利害関係に目ざとい
• let know    知らせる
• not know the first thing about    ちっとも分からない
• not know which way/where to turn    途方に暮れる

العربيه (Arabic)
‏(فعل) يعرف, يعمل (الاسم) معرفه‏

עברית (Hebrew)
v. tr. - ‮ידע, הכיר, זיהה, התנסה ב-‬
v. intr. - ‮היה בעל ידע ו/או הבנה ב-‬

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do they know its christmas	mary did you know
i know what you did last summer	somewhere only we know