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.
A jigsaw puzzle.
Something that can be compared to a jigsaw puzzle.
A power saw with fine teeth and a narrow blade which can cut curves in wood or metal.
To cut something using a jigsaw.