undifferentiated

adjective

un·​dif·​fer·​en·​ti·​at·​ed ˌən-ˌdi-fə-ˈren(t)-shē-ˌā-təd 

: 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

This results in shallow, undifferentiated offerings and signals a lack of strategic foresight and an overreliance on chasing current trends. —Expert Panel®, Forbes.com, 1 July 2025

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

Word History

First Known Use

1862, in the meaning defined above

Rhymes for undifferentiated

• polyunsaturated
• abated
• ablated
• awaited
• belated
• berated
• castrated
• chelated
• citrated
• collated
• conflated
• created

Medical Definition

undifferentiated

adjective

un·​dif·​fer·​en·​ti·​at·​ed -ˌdif-ə-ˈren-chē-ˌāt-əd 

: not differentiated

an undifferentiated sarcoma