All The More, Still Less
adverb
Having a furthermore renewal means things become all the more... good, bad, cute, ugly, whatever it is you’re talking about! Or, on the opposite side of things, still less.
なおさら
The readings for this word are both kun'yomi readings. You've learned both of these readings by now so you should be able to read this on your own.
あなたのことが尚更嫌いになりました。
I came to dislike you all the more.