1Disliked; hated; unpleasant — expresses dislike or aversion (na-adjective / noun).
私は納豆が嫌いです。
I dislike natto.
彼の態度がどうしても嫌いだ。
I really dislike his attitude.
嫌いなら無理に食べなくていいよ。
If you don't like it, you don't have to force yourself to eat it.
2A tendency or propensity (used in expressions like 'has a tendency to ~'); similar to 'prone to'.
彼は忘れっぽい嫌いがあるから注意が必要だ。
He tends to be forgetful, so you need to be careful.
その提案は短絡的な嫌いがある。
That proposal tends to be simplistic.
3Sometimes used in the sense of distinction or discrimination (an older or literary usage).
古い文章では『嫌い』が区別の意味で使われる場合がある。
In older texts, '嫌い' may be used to mean a distinction.