decontrol /diːkənˈtɹəʊɫ/noun 1verb 1forms 5 noun1 •The removal of controls. verb1 •To remove controls.When President Reagan decontrolled crude oil, gasoline, and home-heating oil, he did so without formal counsel from Congress and the public. — 1981 formsdecontroled · decontrolled · decontroling · decontrolling · decontrols