Hatred of nausea? (3,7)

I believe the answer is:

ill feeling

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'hatred of nausea?' is the definition.
The definition suggests a singular noun which matches the answer.

'hatred of nausea?' is the wordplay.
'hatred of' becomes 'ill' (I can't justify this - if you can you should give a lot more credence to this answer).
'nausea?' becomes 'feeling' (nausea is a kind of feeling).
'ill'+'feeling'='ILL-FEELING'

Can you help me to learn more?

(Other definitions for ill feeling that I've seen before include "bad blood" , "Sickly sensation" .)

I've seen this clue in The Sunday Times and The Times.

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