for aught one knows

idiom

Definition of for aught one knows

literary + old-fashioned
: for all one knows : one does not know For aught I know, he could have left an hour ago.

Learn More about for aught one knows

Statistics for for aught one knows

Cite this Entry

“For aught one knows.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/for%20aught%20one%20knows. Accessed 14 Aug. 2020.

Comments on for aught one knows

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

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!