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1. The isolation of a nation, area, city, or harbor by hostile ships or forces in order to prevent the entrance and exit of traffic and commerce.
2. The forces used to effect this isolation.
tr.v. block·ad·ed, block·ad·ing, block·ades
To set up a blockade against: blockaded the harbor.

[Probably block + -ade (as in barricade).]

block·ad′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.blockading - blocking entrance to and exit from seaports and harborsblockading - blocking entrance to and exit from seaports and harbors; "the blockading ships prevented delivery of munitions"
preventative, preventive - tending to prevent or hinder
References in periodicals archive ?
He added that the reckless policy of the blockading countries and its impact on the lives of the people show that the value of humans have no place in those countries.
Al-Marri noted that elongating the crisis does not serve even the people and residents of the blockading countries
This report shows without a spec of doubt that these procedures undertaken by blockading countries are not mere diplomatic severing of relations, they are not just an economic boycott," he added, stressing that "These are unilateral, abusive, arbitrary measures that are impacting citizens and expats in Qatar.
The practice of the two World Wars gives evidence that the blockading powers did not consider themselves to be obliged to provide for the free passage of relief consignments to the blockaded area, even if the civilian population was threatened by starvation" (Oxford Public International Law, 2015, "Blockade").
The notification requirement is important, because before a merchant vessel may be held to have "breached" a blockade, the blockading state must be able to prove the vessel knew or ought to have known of the blockade's existence.
The objectives of its navy are: (1) protecting Israeli commerce at sea from foreign fleets; (2) preventing a possible naval blockade of Israeli ports during wartime; (3) blockading enemy ports during wartime; and (4) blockading the coast fines of former Israeli territories from which national security threats to Israel arose.
even if the blockading states believed that traditional blockade law was
Once a blockade has been lawfully established, it needs to be understood that the blockading power can attack any vessel breaching the blockade if after prior warning the vessel intentionally and clearly refuses to stop or intentionally and clearly resists visit, search or capture.
INVOICE: Paperwork for bales transported by the The Union Navy wanted to stop trade and supplies by blockading Confederate ports on the Atlantic and Gulf of Mexico coasts.
Thus, about a month after they started blockading the crossings on the Bulgarian border with demands for higher agriculture prices, the Greek farmers are opening the major crossing point at Kulata-Promahonas.
The mere mention of another war in the Middle East sets nerves on edge, and blockading Iran would create a tinderbox where even a small incident could erupt into a conflagration.