defect /dɪˈfɛkt/verb 4/ˈdiːfɛkt/ noun 3forms 3 verb4 •To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party. •To desert one's army, to flee from combat. •To join the enemy army. •To flee one's country and seek asylum.Passing through Thailand, she submitted a handwritten statement agreeing to defect, a requirement for North Korean refugees to be allowed to enter the South. — 2015 defect /ˈdiːfɛkt/ noun3 •A fault or malfunction.Among boys little tenderness is shown to personal defects. — 1856 •The quantity or amount by which anything falls short.and the indefatigable application with which they have supplied the defects of early culture. — 1824 •A part by which a figure or quantity is wanting or deficient. formsdefected · defecting · defects