health·y / ˈhel[unvoicedth]ē/ • adj. (health·i·er, health·i·est) in good health: feeling fit and healthy. ∎ ( of a part of the body) not diseased: healthy cells. ∎  indicative of, conducive to, or promoting good health: a healthy appetite a healthy balanced diet. ∎  (of a person's attitude) sensible and well balanced: a healthy contempt for authority. ∎ fig. in a good condition: the family is the basis of any healthy society. ∎  desirable; beneficial: healthy competition. ∎  of a satisfactory size or amount: making a healthy profit.DERIVATIVES: health·i·ly / ˈhel[unvoicedth]əlē/ adv.health·i·ness n.

healthy US legislation permits a claim of ‘healthy’ for a food that is low in fat and saturated fat, and contains no more than 480 mg of sodium and 60 mg of cholesterol per serving.