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English definition of “able”

able

adjective  /ˈeɪ·bəl/ us  

able adjective (HAVING WHAT IS NEEDED)

[+ to infinitive] having what is needed to do something, esp. the physical or mental power, skill, time, money, or opportunity: I lost my job and wasn’t able to afford my old apartment. We won’t be able to keep up this kind of effort much longer.

able adjective (SKILLFUL)

good at what you do: He is an able student.
ably
adverb  /ˈeɪ·bli/ us  
He does his job very ably.
(Definition of able from the Cambridge Academic Content Dictionary © Cambridge University Press)
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