0 the fact that someone is not grateful for something
1 lack of appreciation for help that has been given
Indeed, such human ingratitude is morally repugnant and sinful.
From this perspective the death of the alliance appears as a tragic act of ingratitude brought about by momentary weakness, and taken with little thought for its portentous consequences.
I think the ingratitude of some of those whom he placed in that fortunate position is very much to be deprecated.
One hates to feel that anything one may ask might savour of ingratitude, but it is a question that must be asked.
In the chaos those who were widowed in the past are suffering from the ingratitude not of the public but of the public service.
Of course, the obvious deduction is the ingratitude that is shown to them.
They feel that they have been treated with ingratitude.
The sheer ingratitude of that crowd knows no bounds.