on purpose
Definitions
Done with the intention of achieving a specific result; not by accident.
Deliberately or intentionally.
Examples
I am sorry, I did not spill the coffee on purpose.
She left the door unlocked on purpose so that I could get inside easily.
Do you think he ignored my message on purpose?
Synonyms
intentionally deliberately knowingly purposely willfully consciously calculatedly
Antonyms
accidentally unintentionally inadvertently unwittingly casually coincidentally unpremeditatedly