See clutter in Webster's New World Roget's A-Z Thesaurus II
noun
A lack of order or regular arrangement:
chaos, confusedness, confusion, derangement, disarrangement, disarray, disorder, disorderedness, disorderliness, disorganization, jumble, mess, mix-up, muddle, muss, scramble, topsy-turviness, tumble. (Slang) snafu. See order
Learn more about clutter