Nimble cartwheel, I gathered, in partial rotation? (5)

I believe the answer is:

agile

I'm a little stuck... Click here to teach me more about this clue!

'nimble' is the definition.
('agile' can be a synonym of 'nimble')

'cartwheel i gathered in partial rotation?' is the wordplay.
'AGILE' is hidden backwards within the letters.
However, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for agile that I've seen before include "Nimble on the feet" , "Nimble, spry" , "Limber" , "Able to move nimbly" , "Quick and easy-moving" .)

I've seen this clue in The Telegraph.

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