TO ENJOIN. To command; to require; as, private individuals are not only permitted, but enjoined by law to arrest an offender when present at the time a felony is committed or dangerous wound given, on pain of fine and imprisonment if the wrong doer escape through their negligence. 1 Hale, 587; 1 East, P. C. 298, 304; Hawk. B. 2, c. 12, s. 13; R. & M. C. C. 93. 2. In a more technical sense, to enjoin, is to command or order a defendant in equity to do or not to do a particular thing by writ of injunction. Vide Injunction.