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whatchamacallit

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noun what·cha·ma·call·it \ˈhwä-chə-mə-ˌkȯ-lət, ˈwä-, ˈ(h)wə-\

Definition of whatchamacallit

  1. :  thingamajig

See whatchamacallit defined for English-language learners

From the M-W Editors

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Examples of whatchamacallit in a Sentence

  1. I can't find the whatchamacallit that holds the door open.

  2. I need one of those whatchamacallits to connect the two patch cords.

Origin and Etymology of whatchamacallit

alteration of what you may call it

whatchamacallit Synonyms

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

WHATCHAMACALLIT Defined for English Language Learners

whatchamacallit

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noun

Definition of whatchamacallit for English Language Learners

  • : something whose name you have forgotten or do not know

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  1. Thesaurus: All synonyms and antonyms for whatchamacallit

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Examples: whatchamacallit in a Sentence