[ thing-uh-muh-bob ]
See synonyms for thingamabob on

Origin of thingamabob

First recorded in 1835–45; see origin at thingamajig, bob2
  • Also thing·u·ma·bob, thing·um·bob [thing-uhm-bob] /ˈθɪŋ əmˌbɒb/ Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use thingamabob in a sentence

  • What about your own hairbreadth 'scapes in the imminent, deadly thingumbob—I never can remember the whole of a quotation?

    Our Square and the People in It | Samuel Hopkins Adams
  • Old Thingumbob, who used to live here--in my palace--said he would kill ten million of us to-day.

    Caesar's Column | Ignatius Donnelly
  • Take thic thingumbob out o' thy waistcoat pocket, and unvasten these bracelets thou'st put about my wrists.

  • We didnt any of us know that Doctor Thingumbob lived in that house.

    Left Half Harmon | Ralph Henry Barbour
  • Why don't you ask him to publish 'em in your old magazine, the Thingumbob?

    The History of Pendennis | William Makepeace Thackeray