Amuse very much in Hebridean island — no small island (4)

I believe the answer is:

slay

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'amuse very much' is the definition.
'slay' can be an answer for 'amuse' (thesaurus). I am not sure about the 'very much' bit.

'hebridean island no small island' is the wordplay.
'hebridean island' becomes 'islay' (I've seen this before).
'no' is a deletion indicator.
'small island' becomes 'i' (abbreviation or 'small' form for island).
'islay' with 'i' taken away is 'SLAY'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for slay that I've seen before include "Fatally hit" , "Kill, murder" , "Massacre" , "Butcher" , "Kill with premeditation" .)

I've seen this clue in The Times.

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