Crossword Genius

Cavalier and knight stopping a flu cure working (9)

Ross

I believe the answer is:

uncareful

'cavalier' is the definition.
(cavalier can mean careless)

'knight stopping a flu cure working' is the wordplay.
'knight' becomes 'n' (chess abbreviation).
'stopping' indicates putting letters inside (inserted letters stop or plug a gap).
'working' indicates an anagram.
'a'+'flu'+'cure'='aflucure'
'aflucure' anagrammed gives 'ucareful'.
'n' going into 'ucareful' is 'UNCAREFUL'.

'and' acts as a link.

(Another definition for uncareful that I've seen is " Inviting mishap".)

I've seen this clue in The Guardian.
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