| thingamajig(noun, thing, means, device, machine) |
| whatchamacallit(noun, thing, material, means, instrument) |
| widget(noun, thing, informal, means, device) |
| doodad(noun, thing, informal, means, device) |
| gimmick(noun, thing, material, means, instrument) |
| gizmo(noun, slang, thing, means, device) |
| whatsis(noun, thing, means, device, machine) |
| contraption(noun, thing, material, means, instrument) |
| device(noun, thing, means, instrument, machine) |
| jigger(noun, thing, means, device, machine) |
| whosis(noun, thing, means, device, machine) |
| appliance(noun, thing, material, means, instrument) |
| mechanism(noun, thing, material, means, instrument) |
| stuff(noun, means, device, machine, tackle) |
| accoutrement(noun, means, device, machine, tackle) |
| black box(noun, expression, means, instrument, device) |
| dingbat(noun, means, device, machine, tackle) |
| furnishings(noun, means, device, machine, tackle) |
| gaff(noun, means, device, machine, tackle) |
| gear(noun, thing, material, means, instrument) |