83 entries under noun topic. ×

5
whosis(thing, means, device, machine)
4
apparatus(thing, material, instrument, device)
4
contrivance(thing, material, instrument, device)
4
doodah(thing, unit, item, something)
4
whatsit(thing, material, instrument, machine)
3
contraption(thing, material, means, instrument)
3
hickey(thing, unit, item, something)
3
mechanism(thing, material, means, instrument)
3
thingumbob(thing, unit, item, something)
3
thingy(thing, unit, item, something)
3
what's-its-name(thing, unit, item, something)
3
whatnot(thing, material, instrument, machine)
2
instrument(material, device, machine, tool)
2
invention(thing, material, instrument, device)
2
object(able, perceived, felt)
2
stuff(means, device, machine, tackle)
2
tool(form, finish, thing, instrument)
2
utensil(thing, material, instrument, device)
1
Rube Goldberg
1
Rube Goldberg invention(expression, idiom, material, instrument)
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APASmart Define. (2015). whatchamacallit thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/whatchamacallit/thesaurus/synonyms
ChicagoSmart Define. 2015. "whatchamacallit thesaurus" https://smartdefine.org/whatchamacallit/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, whatchamacallit thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/whatchamacallit/thesaurus/synonyms>.
MLASmart Define. "whatchamacallit thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/whatchamacallit/thesaurus/synonyms>