| gadget(noun, thing, material, instrument, device) |
| hickey(noun, thing, unit, item, something) |
| whatsit(noun, thing, material, instrument, machine) |
| contraption(noun, thing, material, instrument, device) |
| dingus(noun, thing, unit, item, something) |
| dojigger(noun, thing, unit, item, something) |
| thingy(noun, thing, unit, item, gadget) |
| whatnot(noun, thing, material, instrument, machine) |
| appliance(noun, material, instrument, device, machine) |
| convenience |
| machine(noun, material, instrument, device, tool) |
| thingumbob(noun, thing, unit, item, something) |
| what's-its-name(noun, thing, unit, item, something) |
| whosis(noun, thing, unit, item, something) |
| apparatus(noun, material, instrument, device, machine) |
| article(noun, thing, object, material, instrument) |
| invention(noun, material, instrument, device, machine) |
| mechanism(noun, material, instrument, device, machine) |
| Rube Goldberg |
| Rube Goldberg invention(noun, expression, idiom, material, instrument) |