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Definition of thingamabob

thingamabob

/ˈθɪŋ.ə.məˌbɑːb/
thin · ga · ma · bob
Plural:thingamabobs
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thingamabob Lexical Profile

thingamabob Game Scores & Validity

• noun

1

An informal placeholder name for a physical object, gadget, or person whose actual name the speaker has forgotten, does not know, or does not wish to specify.

Example

"Could you hand me that little plastic thingamabob sitting next to the wrench?"

Synonyms
View all synonyms for thingamabob

• Rhymes for thingamabob

• Nearby Words

thin
thine
thing
thingamabob
thingamajig
thingumabob
thingumajig

Word Origin & Etymology

Coined in the mid-18th century as a playful alteration of 'thingum' (an earlier extension of 'thing') combined with 'bob', a colloquial term for an unspecified object or ornament.

Cite this Entry

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