[ ih-moh-buh-lahyz ]
/ ɪˈmoʊ bəˌlaɪz /

verb (used with object), im·mo·bi·lized, im·mo·bi·liz·ing.

to make immobile or immovable; fix in place.
to prevent the use, activity, or movement of: The hurricane immobilized the airlines.
to deprive of the capacity for mobilization: The troops were immobilized by the enemy.
Medicine/Medical. to prevent, restrict, or reduce normal movement in (the body, a limb, or a joint), as by a splint, cast, or prescribed bed rest.
to render (an opponent's strategy) ineffective; stymie.
  1. to establish a monetary reserve by withdrawing (specie) from circulation.
  2. to create fixed capital in place of (circulating capital).

Nearby words

  1. immixture,
  2. immobile,
  3. immobilism,
  4. immobility,
  5. immobilization,
  6. immobilizer,
  7. immoderacy,
  8. immoderate,
  9. immoderation,
  10. immodest

Also especially British, im·mo·bi·lise.

Origin of immobilize

1870–75; immobile + -ize; see mobilize and compare French immobiliser

Related formsim·mo·bi·li·za·tion, nounim·mo·bi·liz·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for immobilize

British Dictionary definitions for immobilize



/ (ɪˈməʊbɪˌlaɪz) /

verb (tr)

to make or become immobileto immobilize a car
  1. to remove (specie) from circulation and hold it as a reserve
  2. to convert (circulating capital) into fixed capital
Derived Formsimmobilization or immobilisation, nounimmobilizer or immobiliser, noun

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 immobilize



1843, from immobile + -ize. Cf. French immobiliser (1835). Related: Immobilized; immobilizing.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for immobilize


[ ĭ-mōbə-līz′ ]


To render immobile.
To fix the position of a joint or fractured limb, as with a splint or cast.
Related formsim•mo′bi•li•zation (-lĭ-zāshən) n.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.