Not moving or lacking the ability to move.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "immotile" in a sentence
"In the gloom I could make out the doctor, still sitting in the small rocking chair, fully alert, chin cupped in his hand as he considered with bloodshot eye the immotile form before him."
"“And they currently have forty-two ships searching for an immotile civilization beyond the region of space we Firewalled.”"
"In Drosophila, our screens did not permit the recovery of motility mutants, although immotile larval phenotypes could be recognized in principle by an abnormal distortion of the larval cuticle in the unhatched embryo."