mess

A mess is a dirty or untidy place or situation.

Example: Your room is such a mess! You're not leaving the house until you clean it up!

A mess is a chaotic, confused or troublesome state or situation.

Example: Look at the mess you've gotten us into now!

A mess is a number of people who eat together.

If you mess, you take meals with a mess.

If you mess, you eat with others.