the isolating, closing off, or surrounding of a place, as a port, harbor, or city, by hostile ships or troops to prevent entrance or exit.
any obstruction of passage or progress: We had difficulty in getting through the blockade of bodyguards.
Pathology. interruption or inhibition of a normal physiological signal, as a nerve impulse or a heart muscle–contraction impulse.

verb (used with object), block·ad·ed, block·ad·ing.

to subject to a blockade.

Origin of blockade

1670–80; block (in the sense “to create obstacles”) + -ade1
Related formsblock·ad·er, nouncoun·ter·block·ade, noun, verb, coun·ter·block·ad·ed, coun·ter·block·ad·ing.non·block·ad·ed, adjectivepre·block·ade, noun, verb (used with object), pre·block·ad·ed, pre·block·ad··block·ade, adjectiveun·block·ad·ed, adjective

Synonym study

1. See siege. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blockaded

Contemporary Examples of blockaded

  • “If Donetsk is blockaded the humanitarian situation will be 10 times worse than in Slavyansk,” he continues.

  • The snap referendum was held two weeks after Russian forces seized the peninsula and blockaded Ukrainian soldiers in their bases.

  • A generation of young Palestinians is trapped in the blockaded strip, with little hope for the future.

    The Daily Beast logo
    The Gaza Prison

    Sarah A. Topol

    November 21, 2012

  • The United States and Britain were at war with Germany and Japan and blockaded them.

    The Daily Beast logo
    Israel Was Right

    Leslie H. Gelb

    May 31, 2010

  • The rescue mission saved the city when the Russians blockaded road and rail connections, trying to starve the population.

    The Daily Beast logo
    We Missed the Moment

    Clive Irving

    January 15, 2010

Historical Examples of blockaded

British Dictionary definitions for blockaded



military the interdiction of a nation's sea lines of communications, esp of an individual port by the use of sea power
something that prevents access or progress
med the inhibition of the effect of a hormone or a drug, a transport system, or the action of a nerve by a drug

verb (tr)

to impose a blockade on
to obstruct the way to
Derived Formsblockader, noun

Word Origin for blockade

C17: from block + -ade, as in ambuscade
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for blockaded



mid-17c., from block (v.) + -ade, false French ending (the French word is blocus, 18c. in this sense, which seems to be in part a back-formation from the verb bloquer and in part influenced by Middle Dutch blokhuus "blockhouse").



late 17c., from blockade (n.). Related: Blockaded; blockading.

Online Etymology Dictionary, © 2010 Douglas Harper

blockaded in Medicine




Intravenous injection of large amounts of colloidal dyes in which the reaction of the reticuloendothelial cells to other influences is temporarily prevented.
Arrest of nerve impulse transmission at autonomic synaptic junctions, autonomic receptor sites, or myoneural junctions through the action of a drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.