Definition from Wiktionary, the free dictionary
- To spend poorly, incorrectly or unwisely.
- I misspent my youth making friends and meeting people. Wait a minute: that's the secret of my success!
- 1749, Henry Fielding, The History of Tom Jones, a Foundling
- Matters of a much more extraordinary kind are to be the subject of this history, or I should grossly mis-spend my time in writing so voluminous a work […]