What does immobilize mean?
Immobilize means to make something unable to move, act, or be used. The word is especially common in reports about accidents, vehicles, injuries, and protests, where a person or machine has been prevented from moving. It can also describe measures that restrict the use of money or assets, and technical discussions may use it for substances or components held in a fixed position. Unlike the adjective immobile, which describes a condition, immobilize names the action that creates that condition. The term is formal but widely understood, and its stronger sense of deliberate prevention distinguishes it from simply being stationary. Overall, it conveys the idea of making movement or activity impossible, whether through force, obstruction, legal control, or technical means.
verbTo prevent a person, vehicle, object, or process from moving or functioning. It can also mean to make someone physically unable to move or to keep resources or assets from being used.
- To prevent a person, vehicle, or object from moving.
- To make something unable to function or be used, such as by restricting it or fixing it in place.
- To keep money, assets, or other resources from being used or deployed.
"The police used a barricade to immobilize the damaged truck."
"Snow immobilized several cars on the hill."
"The company immobilized a portion of its assets while negotiations continued."
From stopping a car in its tracks to locking an enzyme in place, immobilize is the verb for making movement or activity impossible.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of immobilize
The word comes from Latin immobilis, meaning “not movable,” which combines the negative prefix in- with mobilis, “movable.” English formed immobilize by adding the suffix -ize to this base, a development associated with the 19th century. Its relatives mobile, mobility, immobile, and immobility share the same Latin root and express connected ideas of movement and the capacity to move.
Related word forms
How immobilize is actually used
The word is formal and often suggests deliberate action, a physical obstruction, or a legally or financially enforced restriction. In technical contexts, it can mean fixing a component or molecule in place.
Easily confused with immobilize
“Immobile” is an adjective describing something that is unable to move, whereas “immobilize” is a verb describing the act of making something unable to move.