mobility
US /moʊˈbɪl.ə.t̬i/
UK /moʊˈbɪl.ə.t̬i/

1.
the ability to move or be moved freely and easily
:
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The new design improves the mobility of the wheelchair.
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Exercise can help maintain joint mobility.
2.
the ability to move between different social classes, jobs, or places
:
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Social mobility is often limited in highly stratified societies.
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The company offers good opportunities for career mobility.