[ih-moh-buh l, -beel]


incapable of moving or being moved.
not mobile or moving; motionless.

Origin of immobile

First recorded in 1300–50; Middle English word from Latin word immōbilis. See im-2, mobile Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for immobile



not moving; motionless
not able to move or be moved; fixed
Derived Formsimmobility (ˌɪməʊˈbɪlɪtɪ), 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 immobile

mid-14c., from Old French immoble "immovable, fixed, motionless," from Latin immobilis "immovable" (also, figuratively, "hard-hearted"), from assimilated form of in- "not, opposite of" (see in- (1)) + mobilis (see mobile (adj.)). Hence, immobilism "policy of extreme conservatism" (1949, from French immobilisme).

Online Etymology Dictionary, © 2010 Douglas Harper

immobile in Medicine


[ĭ-mōbəl, -bēl′, -bīl′]


Immovable; fixed.
Not moving; motionless.
Related formsim′mo•bili•ty (-bĭl-ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.