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Definition of thingummy

thingummy

/ˈθɪŋ.ə.mi/
thing · um · my
Plural:thingummies
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thingummy Lexical Profile

thingummy Game Scores & Validity

• noun

1

British A person or thing whose name one has forgotten, does not know, or does not wish to mention.

Example

"Could you pass me that little metal thingummy on the workbench?"

Synonyms
View all synonyms for thingummy

• Rhymes for thingummy

• Nearby Words

thingumabob
thingumajig
thingumbob
thingummy
thingummybob
thingy
think

Word Origin & Etymology

First recorded in the late 18th century as a playful shortening and alteration of 'thingumbob', itself a fanciful colloquial extension of the Old English noun 'thing'.

Cite this Entry

Wordmom. (2026). Definition of Thingummy. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thingummy
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