tr.v. in·ter·dict·ed, in·ter·dict·ing, in·ter·dicts
1. To prohibit (an action or thing) or forbid (someone) to do something, especially by legal or ecclesiastical order.
a. To cut or destroy (a line of communication) by firepower so as to halt an enemy's advance.
b. To confront and halt the activities, advance, or entry of: "the role of the FBI in interdicting spies attempting to pass US secrets to the Soviet Union" (Christian Science Monitor).
1. An authoritative prohibition, especially by court order.
2. Roman Catholic Church An ecclesiastical censure that bars an individual, members of a given group, or inhabitants of a given district from participation in most sacraments.
[Alteration of Middle English enterditen, to place under a church ban, from Old French entredit, past participle of entredire, to forbid, from Latin interdīcere, interdict- : inter-, inter- + dīcere, to say; see deik- in the Appendix of Indo-European roots.]
in′ter·dictive, in′ter·dicto·ry (-dĭktə-rē) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2017 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus