There are multiple definitions - click on the translation that matches your context.

Vergehen

Substantiv

full

misdeed

noun

Comparative law notes

Switzerland

Better translation choice if  "Vergehen" is used in a general, non-legal context.

Definitions of misdeed

English

a wicked act

He is going to have to live his whole life in the shadow of this horrendous misdeed.

English

a wrongful or illegal act, especially one that could harm someone

He was sentenced to15 years in prison for his misdeed.