Crossword Genius

Impress deeply with George in ... in shower (7)

Ross

I believe the answer is:

ingrain

'impress deeply' is the definition.
(I've seen this before)

'george in in shower' is the wordplay.
'george' becomes 'g'.
'in' indicates putting letters inside.
'shower' becomes 'rain' (synonyms).
'in'+'rain'='inrain'
'g' inserted within 'inrain' is 'INGRAIN'.

'with' is the link.

(Other definitions for ingrain that I've seen before include "Make a habit" , "Drive home" , "Firmly establish (habit)" , "Fix" , "deeply impressed" .)

I've seen this clue in the Sydney Morning Herald.
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