Added 8 October 2026
know
/nəʊ/ noun
In Latin: sciō Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about know at Wordnik → Where our words come from →
verb
-
Be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about.
I know that the President lied to the people
-
Know how to do or perform something.
She knows how to knit
-
Be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt.
I know that I left the key on the table
Origin
From Middle English knowen, from Old English cnāwan (“to know, perceive, recognise”), from Proto-West Germanic *knāan, from Proto-Germanic *knēaną (“to know”), from Proto-Indo-European *ǵneh₃- (“to know”). Cognates * from Proto-Germanic: Scots knaw (“to know, recognise”), Icelandic knega (“to know, know how to, be able”), Old High German knājan (“to know, recognise”), Old Norse kná (“to know how”). Remotely related also Dutch and German kennen, West Frisian kenne (see English ken).
From Wiktionary, via Kaikki.org (CC BY-SA)