[ thing-uh-muh-bob ]
/ ˈθɪŋ ə məˌbɒb /

noun Informal.

Also thing·u·ma·bob, thing·um·bob [thing-uh m-bob] /ˈθɪŋ əmˌbɒb/

Origin of thingamabob

First recorded in 1835–45; see origin at thingamajig, bob2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for thingumabob

  • It had just been a game they had played while looking for the thingumabob.

    Gargoyles|Ben Hecht

British Dictionary definitions for thingumabob



/ (ˈθɪŋəməˌbɒb) /


informal a person or thing the name of which is unknown, temporarily forgotten, or deliberately overlookedAlso: thingumajig, thingamajig (ˈθɪŋəməˌdʒɪɡ), thingummy (ˈθɪŋəmɪ)

Word Origin for thingumabob

C18: from thing 1, with humorous suffix
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012