Rejection
noun, する verb
"No" is the decision I've made. Sorry, but this is rejection.
ひけつ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
今朝新聞で上院は議案を否決したって読んだよ。
I read that the senate rejected the bill in the newspaper this morning.