But then the French have always had a soft spot for perfidious Albion's northern neighbours.

ECONOMIST: Perfidious Albion��and the auld ally

The 1896 Democratic presidential candidate William Jennings Bryan ran against deflation, which he blamed on the gold standard and perfidious Republican bankers.

FORBES: Free Vs. Inflation

Yet many Labour supporters, especially the trade unions, have long disdained liberals of all sorts, whom they regard as ideologically perfidious, bourgeois dilettantes.

ECONOMIST: Britain��s third party may soon be much more than that

So instead she has chosen to recount the soap-operatic lives of the surrealists, of their promiscuous, scandalous, perfidious and self-obsessed goings-on, all in the name of revolution.

ECONOMIST: 20th-century art

Or has the NHS row confirmed a deeper Tory hunch: that just as leopards have spots, Lib Dems are perfidious and sneaky, making the coalition an obstacle to bold policymaking?

ECONOMIST: Bagehot

My wife knows me as a perfidious stock picker.

FORBES: Do As I Say

He has taken quick advantage of this perfidious clause.

FORBES: Tom Ward Of SandRidge Energy: Another CEO That's Got To Go

The Romans were severely tested in the three Punic wars but their struggles against a worthy, if barbaric and perfidious, enemy were a necessary feature of their emergence as the dominant power.

ECONOMIST: Myth and the making of history

No less significant than what Livni's perfidious collaboration with the administration against her own government tells us about her character is what the nature of the Obama administration's assault on the Netanyahu government tells us about Livni's central strategic platform.

CENTERFORSECURITYPOLICY: Livni's loyalties