Word.ws English Dictionary

thingumbob

thingumbob is the alternative form of thingamabob.

Meaning of thingamabob

Noun

thingamabob (plural thingamabobs)

  1. (slang) A thing or person whose actual name is unknown or forgotten.
    • "The tin thingamabob," insisted Mr. Trigget with slow dignity. "Call it what you will. Its purpose is self-evident. It acts as a dispirator—a distributor, that is to say—"1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC
    Synonyms:
    thingy, whatshisname

Forms of thingumbob

pluralthingumbobs

Questions about thingumbob

What is thingumbob the alternative form of?
Thingumbob is the alternative form of thingamabob.

Words near thingumbob in the dictionary

  1. thingum
  2. thingumabob
  3. thingumabobs
  4. thingumajig
  5. thingumajigs
  6. thingumbob
  7. thingumbobs
  8. thingumebob
  9. thingumebobs
  10. thingumies
  11. thingummabob

Source and license

Adapted from Wiktionary: thingumbob (page history and authors); thingamabob (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “thingumbob.” Word.ws, https://word.ws/thingumbob. Based on Wiktionary, CC BY-SA 4.0.