Enjoin is defined as to order someone to do something or to prohibit someone from doing something.(verb)
When the court issues an injunction stopping you from revealing trade secrets, this is an example of a time when the court enjoins.
See enjoin in Webster's New World College Dictionary
Origin: ME enjoinen < OFr enjoindre < L injungere, to join into, put upon < in-, in + jungere, join
See enjoin in American Heritage Dictionary 4
transitive verb en·joined, en·join·ing, en·joins
Origin: Middle English enjoinen
Origin: , from Old French enjoindre
Origin: , from Latin iniungere
Origin: : in-, causative pref.; see en-1
Origin: + iungere, to join; see yeug- in Indo-European roots.
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