mobility

noun

1. (countable, uncountable)The ability to move; capacity for movement.

   “I find the enduring existence of high heels both a frustrating mystery and a testament to the triumph of women’s neuroses over their mobility.”

   “In the late 19th and early 20th century, the festive season was also a period of great mobility before, during and after Christmas Day. But the railways kept working.”

2. (countable, literary, uncountable)A tendency to sudden change; mutability, changeableness.
3. (countable, uncountable)The ability of a military unit to move or be transported to a new position.
4. (countable, uncountable)The degree to which particles of a liquid or gas are in movement.
5. (countable, uncountable)The ability of people to move between different social levels or professional occupations.

   “The difficulty of rising up the economic ladder is reflected in the decline in mobility in the United States. […] The frustration over the lack of mobility is particularly acute for those without college degrees.”

6. (UK, humorous, obsolete, slang)The mob; the common people or rabble.

   “She singled you out with her eye as commander-in-chief of the mobility.”

   “Thus, while Morris contemptuously characterized committees of correspondence, popular assemblies, and public debate as the actions of the "mobility" (the mob), John Adams announced that the destruction of a stamp office by a mob "was thought an honorable and glorious act" of the people.”