SINCE 1828

An Encyclopædia Britannica Company

to one's knowledge

idiom

Definition of to one's knowledge

: according to what one knows —usually used in negative statements

"Did anyone arrive late?" "Not to my knowledge."

No one arrived late to my knowledge.

Word by Word Definitions

knowledge play

: the fact or condition of knowing something with familiarity gained through experience or association
: acquaintance with or understanding of a science, art, or technique
: the fact or condition of being aware of something

See the full definition of knowledge

Seen and Heard

What made you want to look up to one's knowledge? Please tell us where you read or heard it (including the quote, if possible).

show

WORD OF THE DAY

arrogate

play

to seize or ascribe

Words at Play

Noun + Verb Insult Generator

A collection of obscure put-downs

alt-5b0834b915e3f

'Judicial' v. 'Judicious': We'll Settle The Case

A judgment call

alt-5b06e60511014

'Deprived' vs. 'Depraved'

Nobody wants to be either.

alt-5b05d8545c817

'Folksonomy': Let’s Get Organized

Tag the way you want to tag.

Ask the Editors

video-ghost-words

Ghost Word

The story of an imaginary word that managed to sneak past our editors and enter the dictionary.

2017 Word of the Year: Behind the Scenes

How we chose 'feminism'

video-literally

Literally

How to use a word that (literally) drives some people nuts.

video-his-or-her

Is Singular 'They' a Better Choice?

The awkward case of 'his or her'

Word Games

May 2018 Words of the Day Quiz

We’re already at the end of May?!

Take the quiz

Words Used by Nabokov Quiz

How familiar are you with Nabokov’s unfamiliar vocabulary?

Take the quiz

Spell It

Can you spell these 10 commonly misspelled words?

Take the quiz

Word Winder's CrossWinder

Word Winder's CrossWinder

A game of winding words.

Play the game