/ˈædʒl/

agile

BrE /ˈædʒaɪl/

NAmE /ˈædʒl/

able to move quickly and easily

SYN nimble

able to think quickly and in an intelligent way

an agile mind/brain

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agil·ity

BrE /əˈdʒɪləti/

NAmE /əˈdʒɪləti/

[U]

He had the agility of a man half his age.