An irrational distaste of eating food, sometimes with a particular food or class of foods: In some religions (Hindus are vegetarian, while Muslims and Jews are forbidden to eat pork), if a person consumes a forbidden aliment by mistake, or is forced to do so, he or she may vomit or feel nauseous for days.

Susan decided to lose weight by restricting the amount she had at meals, and lost much more than was necessary, and consequently suffered from cibophobia, or which is also known as anorexia.