Crossword Genius

Recovers lost ground when one rebukes (5,2)

Ross

I believe the answer is:

pulls up

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This might be a double definition.

'recovers' is the first definition.
The answer and definition can be both to do with contact as well as being verbs in their -s form.
Perhaps there's an association between them I don't understand?

'lost ground when one rebukes' is the second definition.
Although both the answer and definition are verbs in their -s form, I don't understand how one could define the other.

Can you help me to learn more?

I've seen this clue in the Evening Standard.
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