Antiorgastic, a rare word, refers to substances or actions that reduce or suppress sexual pleasure or orgasm. Many people may not be familiar with this term, and therefore, it is important to explore some synonyms for it. "Anaphrodisiac" is a closer term for substances that reduce sexual desire, whereas "anorgasmic" is used to describe difficulty in achieving orgasm. "Antierotic" suggests avoiding sexual arousal or stimulation, while "asexual" or "nonsexual" refers to individuals who do not experience sexual attraction. In summary, various words can be used to describe the antithesis of sexual pleasure, each with unique connotations and contexts in which they are used.