Etymology From Middle French mobilité, and its source, Latin mōbilitās (“mobility”).
1
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.2015 June 15, Hadley Freeman, The Guardian:
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.2022 December 14, David Turner, “The Edwardian Christmas getaway...”, in RAIL, number 972, page 32:
2
Literary A tendency to sudden change; mutability, changeableness.
Natural sciences, Physical sciences, Physics The degree to which particles of a liquid or gas are in movement.
5
Human sciences, Sciences, Social science, Sociology 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.2020 July 28, Thomas B. Edsall, “Trump Is Trying to Bend Reality to His Will”, in New York Times:
She singled you out with her eye as commander-in-chief of the mobility.John Dryden, Don Sebastian, iv. 1
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.quoted in 1999, Kimberly K. Smith, The Dominion of Voice (page 41)