1. Apparatus
2. Gadget
3. Contraption
4. Device
5. Instrument
6. Engine
7. Automaton
8. Contraption
9. Tool
10. Mechanism
11. Rig
12. Implement
13. System
14. Device
15. Contrivance
16. Invention
17. Appliance
18. Artifice
19. Construction
20. Fabrication
21. Gizmo
22. Structure
23. Widget
24. Artificer
25. Automation
26. Device
27. Equipment
28. Mechanization
29. Utensil
30. Implement

Searching for the best synonyms for the word “machine” can be a difficult task. Luckily, there are many different ideas and words that can be used to describe the same concept. Some of the best synonyms for “machine” include apparatus, gadget, contraption, device, instrument, engine, automaton, tool, mechanism, rig, implement, system, contrivance, invention, appliance, artifice, construction, fabrication, gizmo, structure, widget, artificer, automation, device, equipment, mechanization, utensil, and implement. All of these words can be used to accurately describe a machine in a variety of different contexts. With so many different synonyms to choose from, finding the right word to convey the meaning of “machine” should be a breeze.