Crossword Genius

Response to bad pun mature we hear? (5)

Ross

I believe the answer is:

groan

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

'response to bad pun' is the definition.
I can't judge whether this definition defines the answer.

'mature we hear?' is the wordplay.
'mature' becomes 'grown' (similar in meaning).
'we hear?' shows a homophone (sound like).
'grown' sounds like 'GROAN'.

Can you help me to learn more?

(Other definitions for groan that I've seen before include "Expression of pain or disapproval" , "Sound of one in pain" , "Cry of pain or despair" , "Moan, grumble" , "Complaint" .)

I've seen this clue in The Sun.
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