undifferentiated

adjective

un·​dif·​fer·​en·​ti·​at·​ed ˌən-ˌdi-fə-ˈren(t)-shē-ˌā-təd How to pronounce undifferentiated (audio)
: not divided or able to be divided into different elements, types, etc. : not differentiated
undifferentiated cells
an undifferentiated mass

Examples of undifferentiated in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Amazon has become littered with undifferentiated junk. Matteo Wong, The Atlantic, 29 Jan. 2025 The world cannot count on undifferentiated collective action. Jake Sullivan, Foreign Affairs, 5 Mar. 2018 Meanwhile, the sextet of localized blazes—the Palisades fire, the Eaton fire, the Hurst fire, the Sunset fire, the Lidia fire, and the Kenneth fire—blurred in the public mind and in the sprawl of destruction into one great undifferentiated inferno. Jeffrey Kluger, TIME, 10 Jan. 2025 There was no resistance, no structure, no bite, just an undifferentiated mush. Matt Reynolds, WIRED, 4 Oct. 2024 See all Example Sentences for undifferentiated 

Word History

First Known Use

1862, in the meaning defined above

Time Traveler
The first known use of undifferentiated was in 1862

Dictionary Entries Near undifferentiated

Cite this Entry

“Undifferentiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undifferentiated. Accessed 16 Feb. 2025.

Medical Definition

undifferentiated

adjective
un·​dif·​fer·​en·​ti·​at·​ed -ˌdif-ə-ˈren-chē-ˌāt-əd How to pronounce undifferentiated (audio)
: not differentiated
an undifferentiated sarcoma
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