The phrase "erstwhile ally" refers to a past or former friend or supporter who is no longer on the same side or working together.
Sentences with «erstwhile ally»
Yet given that his sole and erstwhile ally on the issue - Australian Prime Minister John Howard - was unceremoniously dumped yesterday, he will likely start feeling some major heat as the U.N.'s meeting on climate change in Bali approaches. (treehugger.com)
To complicate matters for India, its erstwhile ally Russia, which has become a close friend of China, is showing interest in establishing closer ties with Pakistan. (businessinsider.com)
By mid-eighteenth century, two religious titans of the Anglo - Saxon world, erstwhile allies, were at loggerheads over the question of just how many people were destined for an eternity in hell. (firstthings.com)