derange di raynj v derange mentally, throw out of mental balance; make insane v throw into great confusion or disorder Usage(s) Because a molecule of carbon dioxide emitted in Beijing or New York is now everyone's problem and will help derange climate patterns for all. He declared that it was often the inept tactics of just such wailing overanxious parents that keep the child awake and derange its nervous system. Young Pound developed a lasting eruditer-than-thou attitude, but he also had a large, unmanageable streak of naivete that would derange his life. Synonym(s) unbalance perturb throw out of kilter