Word.ws English Dictionary

don't I know it

don't I know it interjection: i know; I am very familiar with it (some stated fact).

Interjection

  1. (informal) I know; I am very familiar with it (some stated fact).
    • "Here's your shirt," said Slippery. "Make it snappy, we're late."
      "Don't I know it," replied the Owl, emerging from the closet with his dinner jacket and vest[…]1927 April, Boys' Life, page 16

Origin of don't I know it

A rhetorical question.

Questions about don't I know it

What does don't I know it mean?
Don't I know it means i know; I am very familiar with it (some stated fact).
What part of speech is don't I know it?
Don't I know it is an interjection.

Words near don't I know it in the dictionary

  1. don't give up your day job
  2. don't go there
  3. don't got
  4. don't hate the player, hate the game
  5. don't hold your breath
  6. don't I know it
  7. don't judge a book by its cover
  8. don't keep a dog and bark yourself
  9. don't knock it till you've tried it
  10. don't knock it until you've tried it
  11. don't knock yourself out

Source and license

Adapted from Wiktionary: don't I know it (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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