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 first moments after the Big Bang were filled with undifferentiated energy. Quanta Magazine, 2 Apr. 2025 System customization delays application development, wastes engineering resources on undifferentiated features and creates significant technical debt by saddling product companies with long-term system support, perpetual software updates and security liabilities. Bill Curtis, Forbes, 24 Mar. 2025 But in her poem, too, the victims appear as an undifferentiated mass. Fintan O'Toole, The New Yorker, 10 Mar. 2025 Amazon has become littered with undifferentiated junk. Matteo Wong, The Atlantic, 29 Jan. 2025 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 13 Apr. 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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