unfaithful
01
不貞な, 裏切り者
having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend
02
不忠実な, 不信実な
not true to duty or obligation or promises
例
He was unfaithful to his wife, breaking the trust they had built over the years.
彼は妻に不誠実で、長年築いてきた信頼を壊した。
The general was executed for being unfaithful to his country.
その将軍は自国に不忠実であったため処刑された。
04
不誠実な, 信頼できない
not trustworthy
語彙ツリー
unfaithful
faithful
faith
