The antonyms for "thrusts up on" include words and phrases such as retract, sink down, recede, descend, lower, decrease, go down, lessen, diminish, and reduce. These terms refer to movements or actions that are opposite to thrusting up on, which denote rising or pushing upward. For example, retract pertains to the act of drawing back, retreating, or shrinking away from something, while sink down refers to moving downward, collapsing or descending. These antonyms are useful in creating contrast, highlighting differences, and providing alternative ways to express opposing ideas.