"neglecting or refusing to obey, refractory, not submitting to the rules or regulations prescribed by authority," early 15c., dysobedyent, from Old French desobedient, from Vulgar Latin *disobedientem (replacing Latin inobedientem) from Latin dis- (see dis-) + oboedientem (nominative oboediens), present participle of oboedire "to obey" (see obey). Related: Disobediently. Earlier in the same sense was disobeissant (late 14c.), from Old French desobeissant, and inobedient (early 14c.).