A confused disordered jumble of things.
Background echoes, from clouds etc., on a radar or sonar screen.
To utter words hurriedly, especially (but not exclusively) as a speech disorder (compare cluttering).
To fill something with clutter.
To make a confused noise; to bustle.
Confusion or turmoil.
A helical fairground slide.
Carelessly hurried and confused.
In confused, disorderly haste.