Definition of "bone of contention" [bone of contention]
Something that continues to be disputed; something on which no agreement can be reached(noun)
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Use "bone of contention" in a sentence
"The question of a motorbike was a bone of contention between them and he hoped that Ben would have enough sense to draw his own conclusions."
"HIV/AIDS : Former South African President Thabo Mbeki's policy, which questioned the conventional treatment of the disease, was a bone of contention for many American policy makers."
"Neither Christopher nor Aspin objected to the notion of Lake chairing the main policymaking committee, even though the prerogative of the national security adviser had been a major bone of contention during the Carter administrationand many others."