Crossword Genius

John’s English, imprecise (5)

Ross

I believe the answer is:

loose

'imprecise' is the definition.
('loose' can be similar in meaning to 'imprecise')

'john's english' is the wordplay.
'john's' becomes 'loos' (loo is a kind of john).
'english' becomes 'e' (abbreviation).
'loos'+'e'='LOOSE'

(Other definitions for loose that I've seen before include "Unleash" , "Not crammed" , "Water heater" , "Not fitting tightly" , "Not tight" .)

I've seen this clue in The Times.
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