1Dislike; unwillingness; reluctant to do something—expresses an unwilling or negative feeling toward someone or something.
雨の日に出かけるのは嫌だ。
I don't want to go out on rainy days.
彼は掃除をするのが嫌で、いつも私に頼む。
He hates cleaning and always asks me to do it.
嫌なことは無理にやらなくていいよ。
You don't have to force yourself to do things you dislike.
2Unpleasant or disagreeable; causing disgust or aversion (as in 'an unpleasant smell' or 'someone unpleasant').
嫌なにおいが部屋に充満していた。
An unpleasant smell filled the room.
彼の態度は本当に嫌だ。
His attitude is really unpleasant.
3An interjection expressing refusal or strong dislike ('No!'; 'Stop it!'; 'Quit it!').
「それ、やめて！」—「いや！」
"Stop that!" — "No!"
子どもがいやいやと首を振った。
The child shook their head, saying 'no' repeatedly.