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.
The woman, the countertops, the clothes, and the jewels are all one fetish object, one undifferentiated fantasy. Katy Waldman, New Yorker, 17 June 2025 They are treated as an undifferentiated mass, without any individual identity: none of these women are given a name, apart from their ethnicity (other, higher-status women do get names in the tablets: Kessandra, Karpathia and Philopatra are just a few examples). Literary Hub, 13 June 2025 The first moments after the Big Bang were filled with undifferentiated energy. Philip Ball, Wired News, 8 June 2025 In the wake of the ruling, Beijing could have formally defined the nine-dash line for the first time, reframing it as a narrow assertion of its enclaved territories and their maritime entitlements rather than an undifferentiated claim to the entire South China Sea. Mira Rapp-Hooper, Foreign Affairs, 22 July 2016 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

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Cite this Entry

“Undifferentiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undifferentiated. Accessed 3 Jul. 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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