Translation guide
The act of being disloyal or breaking trust, ranging from personal relationships to treason. Japanese expressions vary by context, from emotional betrayal to political treason.
Expressing that someone has been disloyal or broken trust in a personal context, such as friendship or romance.
The most common and direct word for betrayal, used for personal disloyalty, breaking promises, or going against someone's trust.
I can't forgive his betrayal.
I was betrayed by my best friend.
Literally 'to betray trust', a common phrase emphasizing the breaking of trust.
He betrayed my trust.
A more formal or literary term for breach of trust, often used in written contexts.
His act of betrayal is unforgivable.
Referring to betrayal against one's nation, government, or group, often in political or military contexts.
Treason, rebellion, or mutiny; used for acts against a state or authority.
He was arrested for treason.
Also used for treason, though more general. Can apply to betraying a country or cause.
Historical term for rebellion or conspiracy against a ruler, often used in period dramas.
Describing the act of going against one's own beliefs, promises, or moral standards.
Expressing the emotional experience of betrayal, often as a noun phrase.
While 裏切り is common, directly saying 'それは裏切りだ' (That's a betrayal) can sound overly dramatic in casual conversation. Often, Japanese speakers express the feeling indirectly, e.g., 'ひどい' (That's terrible) or '信じられない' (I can't believe it).
裏切り is general betrayal of trust, while 反逆 specifically implies rebellion or treason against authority. Use 反逆 for political/military contexts, and 裏切り for personal relationships.
I felt a deep sense of betrayal when I found out.
Betrayal by a friend is the worst.
祖国への裏切りは重罪だ。
Betrayal of one's homeland is a serious crime.
The castle fell due to the vassal's betrayal.
He betrayed his principles and accepted a bribe.
彼の行動に深い失望を感じた。
I felt deep disappointment (betrayal) at his actions.