Italian-English translations for imperdonabile

gross
us
a gross mistake; gross injustice; gross negligence; a gross insult[[gross domestic productgross domestic product]]; [[gross income
unforgivable
us
There is one thing I find simply unforgivable. Una cosa trovo semplicemente imperdonabile! Unilateralism without any logic whatsoever is unforgivable. L'unilateralismo senza logica è imperdonabile. We must not stop now: that would be an unforgivable own-goal. Non fermiamoci, sarebbe un autogol imperdonabile.