What does 勢い mean?
勢い is a Japanese noun meaning “force, vigor, momentum” in English. It can also be translated as “influence, impetus, naturally” depending on context. It is written as 勢い in kanji, いきおい in hiragana, and ikioi in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
あらしの勢いが弱まった。
The storm abated.
勢いに流されているんですよ。
You are carried along with the slide.