whatsit

noun what·sit \ˈhwät-sət, ˈwät-, ˈ(h)wət-\

: something whose name you have forgotten or do not know

Full Definition of WHATSIT

See whatsit defined for English-language learners

what·sit also what·sis \-səs\ or what–is–it \-iz-ət\

whatsit & whatsis contraction of what-is-it

First Known Use: circa 1882

Synonyms: dingus, doohickey, hickey, thingamabob, thingamajig (or thingumajig), thingummy, whatchamacallit, whatnot, doodad (also whatsis or what-is-it)

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