Phrase guide

knock oneself out

verb · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

verb

Meaning 1

To go ahead; to do as one pleases; to enjoy oneself; to endeavor very hard at a task.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, informal

Examples

  • "These cookies are my favorite! Can I have some?" "Sure, knock yourself out." (i.e., have as many as you want)
  • (sarcastically, indicating lack of interest) "I'm going to the store." / "Knock yourself out."

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.