The adjective fair can mean quite large/big or many in quantity or degree.
Can "fair enough" mean "It's quite big enough" or "It's quite much/many enough"?
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Sign up to join this communityNo. Fair enough is a set expression meaning that something is reasonable/all right.
One could come up with a sentence like
You proposed a split of the treasure which isn't fair enough.
but 'fair' still carries the meaning of 'reasonable', and not 'quite large'.