blockade

[ blo-keyd ]
/ blɒˈkeɪd /

noun

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.

Nearby words

  1. block system,
  2. block tin,
  3. block trade,
  4. block vote,
  5. block, herbert lawrence,
  6. blockade-runner,
  7. blockage,
  8. blockboard,
  9. blockbust,
  10. blockbuster

Origin of blockade

1670–80; block (in the sense “to create obstacles”) + -ade1

Related forms

Synonym study

1. See siege.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blockade


British Dictionary definitions for blockade

blockade

/ (blɒˈkeɪd) /

noun

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 blockade
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for blockade

blockade

[ blŏ-kād ]

n.

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.