con·vul·sive adj \\kən-ˈvəl-siv\\1 a : constituting or producing a convulsionb : caused by or affected with convulsions 2 : resembling a convulsion in being violent, sudden, frantic, or spasmodic A convulsion is a medical condition where body muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body. do·min·i·cal :of or relating to or coming from Jesus Christ e·gal·i·tar·i·an Show Spelled[ih-gal-i-tair-ee-uhn]