incorrigible
adjective · /in-KOR-uh-juh-bul/
If someone is incorrigible, they keep misbehaving or making the same mistake even after people try to help them stop.
In a sentence
- "The incorrigible puppy splashed in every puddle, even after three baths."
- "Mia gave an incorrigible giggle each time the magician pulled another sock from his hat."