Synonyms:
- Chinese puzzle,
- Gordian knot,
- Rube Goldberg contraption,
- action,
- can of worms,
- clockworks,
- complex,
- drive train,
- gear,
- innards,
- jungle,
- knot,
- labyrinth,
- machinery,
- maze,
- meander,
- mechanism,
- mesh,
- mess,
- motion,
- movement,
- movements,
- perplex,
- power train,
- ravel,
- servomechanism,
- snafu,
- snake pit,
- snarl,
- tangle,
- tangled skein,
- watchworks,
- webwork,
- wheels,
- wilderness,
- workings,
- works