いきお
ikioi

Noun

1. force; vigor; vigour; energy; spirit; life

あらしの いきおいが よわまった。
arashino ikioiga yowamatta.
The storm abated.
Noun

2. influence; authority; power; might

Noun

3. impetus; momentum; course (of events)

いきおいに ながされているんですよ。
ikioini nagasarete iru ndesuyo.
You are carried along with the slide.
Adverb

4. naturally; necessarily

Other forms: