Crossword Genius

In jest, to some extent, they’re OK (5)

Ross

I believe the answer is:

jokes

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

'in jest to some extent' is the definition.
I can't judge whether this definition defines the answer.

'ok' is the wordplay.
I cannot really understand how this works, but
'ok' is within the answer.
This may be the basis of clue (or it may be nonsense).

'they're' acts as a link.

Can you help me to learn more?

(Another definition for jokes that I've seen is " Gags".)

I've seen this clue in the Evening Standard.
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