"inform on against sb" in German to inform on/against sb. jdn. verpfeifen verraten anzeigen denunzieren Detailed translations for "inform on against sb" to inform on/against sb. to inform on/against sb.(also: to squeal, to shit on, to fink, to rat on sb.) jdn. verpfeifen to inform on/against sb.(also: to bespeak {bespoke, bespoken, revealed, unfolded) verraten to inform on/against sb.(also: to signal, to indicate) anzeigen to inform on/against sb. denunzieren{transitive verb}