Clutter

n. mess, disorder

v. strew or scatter things in a disorderly fashion, disarrange, make a mess; fill a space in a disorganized manner

Clutter may refer to any of the following:Excessive physical disorder:A confusing or disorderly state or collection; or the creation thereof. Excessive, unnecessary or uncontrolled clutter can be a symptom of compulsive hoarding.A type of light pollutionClutter (radar): Unwanted echoes in electronic systems. Clutter (marketing): The extreme amount of advertisements or products the average American consumer comes into contact with.
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Noun
1. a confused multitude of things
(synonym) jumble, muddle, mare's nest, welter, smother
(hypernym) disorderliness, disorder
(hyponym) rummage
(derivation) clutter up
2. unwanted echoes that interfere with the observation of signals on a radar screen
(hypernym) radar echo
Verb
1. fill a space in a disorderly way
(synonym) clutter up
(antonym) unclutter, clear
(hypernym) fill, fill up, make full
(derivation) jumble, muddle, mare's nest, welter, smother

(v. t.)
To crowd together in disorder; to fill or cover with things in disorder; to throw into disorder; to disarrange; as, to clutter a room.
  

(v. i.)
To make a confused noise; to bustle.
  

(n.)
To clot or coagulate, as blood.
  

(n.)
Clatter; confused noise.
  

(n.)
A confused collection; hence, confusion; disorder; as, the room is in a clutter.
  

All non-programming time on radio and TV; this includes time given to advertsing commercials, station or channel promotions, station or channel identifications and program credits. Excessively high clutter levels may result in audience tune-out. See Clutter Level; Audience Tune-Out.