1. an awkward, ill-mannered person, especially a man or boy

Examples

• The lout knocked over several displays while walking through the store.
• Don’t be such a lout at the dinner table.
• He acted like a complete lout at the formal event.
• The coach told the players not to behave like louts in public.
• She was embarrassed by her brother’s loutish behavior at the wedding.
• The restaurant refused to serve the group of loud louts.