venial
adjective formal uk/ˈviː.ni.əl/ us/ˈviː.ni.əl/
（错误行为）轻微的，可以原谅的
If a wrong action is venial, it is not serious and therefore easy to forgive.
a venial sin/error 可恕的小罪／小错误
Synonym: forgivable
Note: Do not confuse with venal.