Manducating, which means to chew or eat, has various antonyms that denote the opposite meaning. The primary antonym for manducating is abstaining, which refers to not consuming food or drinks. Starving, which means to suffer or die from lack of food, is another antonym for manducating. Fasting, which refers to abstaining from food for religious or health reasons, is also an antonym for manducating. Ingesting, which means to take in food or drink, can be considered an antonym in some contexts. Other antonyms for manducating include regurgitating, spitting out, and throwing up, which denote the action of expelling food from the mouth or stomach.