To take something from a store without paying for it.
Shoplifting is against the law and is not a good thing to do.
Examples:
She tried to shoplift a candy bar.
He got caught shoplifting at the mall.
Shoplifting is not allowed in the store.
I don't think you should shoplift, it's not nice.
Some people shoplift because they don't have enough money.
If you shoplift, you might get in trouble with the police.