Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “not that I know of”

not that I know of

used when answering a question to mean that, judging from the information you have, the answer is no: "Is she especially unhappy at school?" "Not that I know of."Yes, no and not
(Definition of not that I know of from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Translations of “not that I know of”

Word of the Day

flair

natural ability to do something well

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More