[n. in-ter-dikt; v. in-ter-dikt]
Civil Law. any prohibitory act or decree of a court or an administrative officer.
Roman Catholic Church. a punishment by which the faithful, remaining in communion with the church, are forbidden certain sacraments and prohibited from participation in certain sacred acts.
Roman Law. a general or special order of the Roman praetor forbidding or commanding an act, especially in cases involving disputed possession.
verb (used with object)
to forbid; prohibit.
Ecclesiastical. to cut off authoritatively from certain ecclesiastical functions and privileges.
to impede by steady bombardment: Constant air attacks interdicted the enemy's advance.

1250–1300; (noun) < Latin interdictum prohibition, noun use of neuter of interdictus past participle of interdīcere to forbid, equivalent to inter- inter- + -dic- (variant stem of dīcere to speak) + -tus past participle suffix; replacing Middle English enterdit < Old French < Latin, as above; (v.) < Latin interdictus; replacing Middle English enterditen < Old French entredire (past participle entredit) < Latin, as above

interdictor, noun
uninterdicted, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
1.  RC Church the exclusion of a person or all persons in a particular place from certain sacraments and other benefits, although not from communion
2.  civil law any order made by a court or official prohibiting an act
3.  Scots law an order having the effect of an injunction
4.  Roman history
 a.  an order of a praetor commanding or forbidding an act
 b.  the procedure by which this order was sought
5.  to place under legal or ecclesiastical sanction; prohibit; forbid
6.  military to destroy (an enemy's lines of communication) by firepower
[C13: from Latin interdictum prohibition, from interdīcere to forbid, from inter- + dīcere to say]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

late 13c., from O.Fr. entredit, pp. of entredire "forbid by decree," from L. interdicere "interpose by speech, prohibit," from inter- "between" + dicere "to speak, to say" (see diction).
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


in Roman and civil law, a remedy granted by a magistrate on the sole basis of his authority, against a breach of civil law for which there is no stipulated remedy. Interdicts can be provisionary (opening the way for further action) or final.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
We've organized a proliferation security initiative to interdict dangerous materials and technologies in transit.
Alas, in a fast-globalising world, it is already impossible for governments to interdict the flow of nuclear goods and expertise.
The court still needs to hear further evidence at a later date before deciding whether to make the interdict permanent.
Scientific research and applied technologies offer us significant opportunity to interdict the flow of illegal drugs.
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