What does 誓う mean?
誓う is a Japanese verb meaning “to swear, to vow” in English. It is written as 誓う in kanji, ちかう in hiragana, and chikau in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
君は聖書に手をのせて誓うべきだ。
You should swear on the Bible.