7 down
Open-minded
nude
American
Bishop
is
sacked
(8)
Open-minded nude American Bishop is sacked (8)
hints
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checks
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hints
The definition is at the beginning of the clue.
How the clue works
Open-minded is the definition. Take "nude", "A" for American, and "Bis" for Bishop, then the anagram indicator "is sacked" tells you to jumble all those letters (N,U,D,E,A,B,I,S) to spell UNBIASED.