11
whatchamacallit(noun, adjective, thing, means, device)
10
doodad(noun, thing, means, device, machine)
9
thingamabob(noun, thing, unit, item, something)
9
thingamajig(noun, thing, means, device, machine)
8
doohickey(noun, thing, means, device, machine)
8
thingumabob(noun, thing, unit, item, something)
8
thingumajig(noun, thing, unit, item, something)
7
thingmabob(noun, thing, unit, item, something)
7
thingummy(noun, thing, unit, item, something)
6
gimmick(noun, thing, means, device, machine)
6
gismo
6
gizmo(noun, means, device, machine, tackle)
6
thingmajig(noun, thing, unit, item, something)
5
doojigger(noun, thing, unit, item, something)
5
gubbins(noun, thing, unit, item, something)
5
whosis(noun, thing, means, device, machine)
5
widget(noun, means, device, machine, tackle)
4
contrivance(noun, gadget)
4
device(noun, means, machine, tackle, gear)
4
dingus(noun, thing, unit, item, something)
13 years ago|1.2k views|share |citing 
APASmart Define. (2013). whatsis thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/whatsis/thesaurus/synonyms
ChicagoSmart Define. 2013. "whatsis thesaurus" https://smartdefine.org/whatsis/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, whatsis thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/whatsis/thesaurus/synonyms>.
MLASmart Define. "whatsis thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/whatsis/thesaurus/synonyms>