- You may also be looking for the legal term "arrest"
An arrested culture was a culture that was stagnant. Specifically, this might include lack of advancement and significant changes in their physical environment.
In 2259, Christopher Pike indirectly deemed the Kalars to be an arrested culture due to radiation from an asteroid impeding memory development for generations. (SNW: "Among the Lotus Eaters")
Spock referred to the Organians as a "laboratory specimen of an arrested culture" prior to the revelation of their true natures in 2267. This was in light of the observation that there was no evidence of any progress as far back as his tricorder could register, a result that appeared unlikely. (TOS: "Errand of Mercy")
While the culture of Sigma Iotia II was not implicitly said to be be arrested, James T. Kirk described the Iotians' behavior as such. (TOS: "A Piece of the Action") The same was true on the planet Miri. (TOS: "Miri")