Similar Words to Jigsaw:

Fretsaw
Reciprocating Saw
Saber Saw
Scroll Saw

Examples:

1. We've been doing goddamn jigsaw puzzles for a week.

Definitions of Jigsaw:

1. A portable power saw with a reciprocating blade; can be used with a variety of blades depending on the application and kind of cut; generally have a plate that rides on the surface that is being cut
2. Fine-toothed power saw with a narrow blade; used to cut curved outlines