← DefinitionshareGuessatrophyverbTo waste away or shrink, especially a body part or tissue, due to lack of use or disease.nounThe gradual wasting away or shrinking of a body part, organ, or tissue, often from lack of use or disease.SynonymsweakenverbshrinkverbwastingnoundeteriorationnoundeclinenounAntonymsstrengthenverbgrowthnoun