Crossword Genius

Antagonistic (7)

Ross

There are a few possibilities for this:

'antagonistic' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for adverse that I've seen before include "negative result" , "Contrary, harmful" , "Opposed to or unfavourable" , "Dire" , "'Unfavourable, contrary (7)'" .)

I've seen this clue in The Daily Mail, The Independent, the Sydney Morning Herald, The Mirror, The Guardian and the Evening Standard.
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