Boxing manoeuvre looks a bit weak, they say (5)

I believe the answer is:

feint

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'boxing manoeuvre looks a bit' is the definition.
I can't tell whether this definition defines the answer.

'weak they say' is the wordplay.
'weak' becomes 'faint' (similar in meaning).
'they say' shows a homophone (sound like).
'faint' sounds like 'FEINT'.

Can you help me to learn more?

(Other definitions for feint that I've seen before include "ruled lightly" , "Sell a dummy" , "Mock attack" , "Deceptive move by a boxer, for example" , "Pretended blow" .)

I've seen this clue in The Irish Times.

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