There are various antonyms for the phrase "bring under cultivation," which means to cultivate or develop land for farming or other purposes. Some of these antonyms include abandon, neglect, desert, and waste. Abandon refers to leaving land uncultivated or unused, while neglect implies not taking proper care of the land or letting it deteriorate. Desert refers to land that is not suitable for cultivation, and waste means using the land for something other than cultivation or not utilizing it to its full potential. These antonyms highlight the opposite ends of the spectrum from bringing land under cultivation to ignoring or wasting it.