<p><strong>Noun</strong></p><ul><li>Also a·tro·phi·a:<ul><li>Pathology. A wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.</li><li>Degeneration, decline, or decrease, as from disuse: He argued that there was a progressive atrophy of freedom and independence of thought.</li></ul></li></ul><p><strong>Verb</strong></p><ul><li>(used with or without object):<ul><li>Atrophied, atrophy-ing.</li><li>To affect with or undergo atrophy.</li></ul></li></ul>