"light up sth" in German to light up sth. etw. erhellen erleuchten ausleuchten Detailed translations for "light up sth" to light up sth. to light up sth.(also: to illuminate sth., to illumine, to illume) etw. erhellen to light up sth.(also: to illuminate sth., to illumine, to illume) erleuchten to light up sth.(also: to illuminate sth., to illumine, to illume) ausleuchten{transitive verb}