enjoin vt[Anglo-French enjoindre to impose, constrain, from Old French, from Latin injungere to attach, impose, from in - on + jungere to join]
: to prohibit by judicial order
: issue an injunction against [a three-judge district court had ed the plans "W. J. Brennan, Jr."]
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.