This is the 11723rd most frequent Korean word.
낮아질
"낮아질" means "to become lower" or "to decrease."
낮아질 indicates a possible state where the mood is becoming lower.
그의 기분이 낮아질 것 같아요.
It seems his mood might lower.
낮아질 is used to describe a decrease in temperature.
온도가 계속 낮아질 예정입니다.
The temperature is expected to keep dropping.
낮아질 shows a trend in the reduction of interest rates.