revolting (adj.)

1590s, "rebellious, that revolts, given to revolt," present-participle adjective from revolt (v.). The sense of "repulsive" is from 1749 (implied in revoltingness), from the verb in a sense of "cause to turn away in abhorrence or disgust" (also "rise in repugnance" against, "turn in loathing" from), a sense developed by mid-18c. Related: Revoltingly.