re-ˈenergize,v. [re- 5 a.] trans. To energize anew, impart fresh energy to. 1803A. Seward Lett. (1811) VI. 108 You, my friend, have..affectionate interests, which combine to reenergize your mind.1887Chicago Advance 5 May 274 The true way to re-energize the languishing institution.