mis·​as·​sump·​tion ˌmis-ə-ˈsəm(p)-shən How to pronounce misassumption (audio)
plural misassumptions
: something that is incorrectly assumed to be granted or true : a mistaken assumption
I shudder to think of how much margarine I ate growing up on the misassumption that it was somehow healthier.Richard T. Bosshardt
misassume transitive verb
misassumed; misassuming
… a lot of boys get shunted into programs that misassume what they can and can't do … Richard Whitmire

Word History

First Known Use

1860, in the meaning defined above

Time Traveler
The first known use of misassumption was in 1860

Dictionary Entries Near misassumption

Cite this Entry

“Misassumption.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misassumption. Accessed 20 Apr. 2024.

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