Noun clutter has 2 senses
  1. clutter, jumble, muddle, mare's nest, welter, smother - a confused multitude of things
    --1 is a kind of disorderliness, disorder
    --1 has particulars: rummage
    Derived form: verb clutter1
  2. clutter - unwanted echoes that interfere with the observation of signals on a radar screen
    --2 is a kind of
    radar echo; noise, interference, disturbance
,Verb clutter has 1 sense
  1. clutter, clutter up - fill a space in a disorderly way
    --1 is one way to fill, fill up, make full
    Antonyms: unclutter, clear
    Derived form: noun clutter1
    Sample sentences:
    Somebody ----s something
    Something ----s something
    Somebody ----s something with something