grievous

grievous error in judgment

grievous violation of human rights

grievous mistake that cannot be overlooked

He has been a disappointment to me, Mr. Holmes -- a grievous disappointment.

" A grievous thing when a great man grows old" .

And what do you suppose is Bernini's punishment for grievous bodily harm and attempted murder?

Cotter Pyke had made his angry mark below. " Is it grievous, my lord" ? asked Clydas.

He and his colleagues have said and done all the right things, avoiding the grievous mistakes of Iraq.

" Your bastard was accused of grievous crimes, " Catelyn reminded him sharply. " Of murder, rape, and worse" .

" Jon would never. Lord Snow did. Sometimes there is no happy choice, Sam, only one less grievous than the others" .

" I fear so, my lord. It is so sad. So grievous sad. And them so young and innocent" .

But my disappointment was grievous and unexpected.

It was as incomprehensible as it was mortifying and grievous.