in ‧ a ‧ bil ‧ i ‧ ty /ˌɪnəˈbɪləti, ˌɪnəˈbɪlɪti/ BrE AmE noun [singular, uncountable]
[ Word Family: noun : ↑ ability ≠ ↑ inability , ↑ disability ; adjective : ↑ able ≠ ↑ unable , ↑ disabled ; verb : ↑ enable ≠ ↑ disable ; adverb : ↑ ably ]
the fact of being unable to do something
inability to do something
Alcoholism can result in an inability to cope.
the government’s inability to enforce the ceasefire