# mobility

Pronunciation: US say "moh-BIL-i-tee" /moʊˈbɪlɪti/; UK say "muh-BIL-i-tee" /mə(ʊ)ˈbɪlɪti/

## Noun

1. The ability to move, or the general capacity for movement of a body or person.
   - Simple: The ability to move easily from one place to another.
   - _The injury left him with limited mobility in his right knee._
   - _Wheelchairs and ramps give people greater mobility in public spaces._
2. The capacity of people to change their social class or move from one occupation to another.
   - Simple: The chance for people to move to a higher or lower class or job.
   - _Sociologists often treat education as a key driver of upward mobility._
   - _Rigid class structures can severely limit mobility across generations._
3. A military unit's ability to move or be transported to a new position.
   - Simple: How easily soldiers and their equipment can move to a new place.
   - _Light infantry units prize mobility over heavy armor._
   - _The general improved his force's mobility by securing more transport aircraft._
4. The amount of motion among the particles that make up a liquid or gas.
   - Simple: How much the tiny parts of a liquid or gas are moving.
   - _As temperature rises, the mobility of gas molecules increases sharply._
   - _The high mobility of particles in a gas explains why it spreads to fill a container._
5. A tendency toward sudden change; changeableness or mutability. *(literary)*
   - Simple: A tendency to change quickly and often.
   - _The poem captures the mobility of the human heart, forever changing its loyalties._
   - _Critics praised the novel for showing the mobility of fortune within a single family._

## Origin

From Middle French mobilité, which came from Latin mōbilitās, meaning 'mobility'.

Source: DictionaryAI, https://dictionaryai.com/define/mobility (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).