In Charlotte, Mrs Obama attempted to recast that Republican slogan as betraying bad manners and ingratitude.

ECONOMIST: The Democratic convention

Some hardliners, especially in the European Parliament, accused Irish voters of ingratitude after years of EU subsidies.

ECONOMIST: Charlemagne

Thanks to this ingratitude, Mrs Whitman won by a paltry 1% margin.

ECONOMIST: Why are these Republicans smiling?

The war veteran struggling to adjust, amid the apparent ingratitude of the citizens in whose name he fought, is a familiar figure from Vietnam to Afghanistan.

ECONOMIST: New film

Established businesses suffer from ingratitude as well.

FORBES: Gratitude Leads To Growth

The problem, I think, was ingratitude.

FORBES: Gratitude Leads To Growth

His action smacked of ingratitude.

ECONOMIST: Charlemagne

But she also has an increasingly thin line to tread - between those who are growing sick and tired of what they see as ingratitude outside Germany and, on the other hand, those who remain fully committed to the euro and to German efforts to preserve it.

BBC: Cyprus bailout: Feeling unloved in Germany