Simple Definition of sui generis

from our Learner's Dictionary

sui generis

adjective

formal : in a class or group of its own : not like anything else
As a scholar, she is sui generis. [=unique]

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“Sui generis.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/sui%20generis. Accessed 25 Jun. 2026.

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