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The role of disgust in moral psychology has been a matter of much controversy and experimentation over the past 20 or so years. We present here an integrative look at the literature, organized according to the four functions of emotion proposed by integrative functional theory: appraisal, associative, self-regulation, and communicative. Regarding appraisals, we review experimental, personality, and neuroscientific work that has shown differences between elicitors of disgust and anger in moral contexts, with disgust responding more to bodily moral violations such as incest, and anger responding more to sociomoral violations such as theft. We also present new evidence for interpreting the phenomenon of sociomoral disgust as an appraisal of bad character in a person. The associative nature of disgust is shown by evidence for “unreasoning disgust,” in which associations to bodily moral violations are not …