clutter
clut-ter
noun
A collection of untidy items that make a space messy or disorganised.
"There's too much clutter on my desk."
verb
To fill a space with too many untidy or unnecessary items, making it messy.
"Please don't clutter the table."
Thesaurus
Synonyms: jumble, fuddle, welter, smother, muddle, mare's nest, clutter up