cluttered

adjective

Having too many things in one place, making it look messy.

verb

To fill a place with too many things, making it messy.
To make a lot of noise or move around quickly.
To speak quickly and not clearly, like when someone is nervous.
To make something messy with lots of stuff.

Word Explanation:

Cluttered means a space is full of stuff and looks messy. Like when your toys are all over the floor.