Definitions

1. noun

A person who is rude or ill-mannered.

“He was a bit of a lout and always made a mess in public.”

2. noun

A foolish or awkward person.

“The lout who bumped into me on the street didn’t even apologize.”

3. verb

To behave in a rude or clumsy manner.

“He louts around the house, breaking things without even noticing.”