on accident
adv1
Proscribed Accidentally; not intentionally; because of error, misfortune, or lack of caution.
- I'm sure he backed into the hedge on accident, but the hedge and the car are both a mess now.
- Synonyms
- by accident
- Antonyms
- on purpose
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.