1. a topic of dispute; something that two people or groups cannot agree about; the subject or point of an argu- ment; an unsettled point of disagreement

1. The subject of politics is a bone of contention between Sandra and me—we never seem to agree.

2. John wants to send the children to a private school, and I think it’s unnecessary. It’s a bone of contention between us.

3. Money is a common bone of contention in many marriages.

4. We’ve fought for so long that we’ve forgotten what the bone of contention is.

5. The question of a fence between the houses has become quite a bone of contention.