✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

thingummy

noun

thing·​um·​my ˈthiŋ-ə-mē How to pronounce thingummy (audio)
plural thingummies

Examples of thingummy in a Sentence

an antiques store filled with thingummies from the horse-and-buggy days

Word History

Etymology

alteration of earlier thingum

First Known Use

1796, in the meaning defined above

Time Traveler
The first known use of thingummy was in 1796

Browse Nearby Words

Cite this Entry

“Thingummy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thingummy. Accessed 3 Dec. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!