Definition of 愈
- (adv) more and more; all the more; increasingly
いよいよ薄暮、もうすぐ宵闇。
It's getting more and more shadowy, soon it will be twilight. - at last; finally; beyond doubt
いよいよ千載一遇のチャンスがめぐってきた。
At last, a chance in a million arrived. - (at the) last moment; worst possible time