大罪
also: たいざい
だ
い
ざ
い
Meanings
1
serious crime; grave sin
General term for a major offense, either legal or moral. Can be used in both secular and religious contexts.
He committed a serious crime and was sentenced to life imprisonment.
I believe lying is a grave sin.
2
mortal sin; deadly sin
Specifically in Christian theology, a sin that leads to spiritual death if unrepented. Compare with 小罪 (venial sin).
In Catholicism, it is taught that mortal sin causes the loss of God's grace.