contention /kənˈtɛnʃən/noun 3forms 1phrases 1 noun3 •Argument, contest, debate, strife, struggle. •Competition by parts of a system or its users for a limited resource. •A point maintained in an argument, or a line of argument taken in its support; the subject matter of discussion of strife; a position taken or contended for.It is my contention that state lotteries are taxes on stupid people. formscontentions Phrases with contention bone of contentionSomething that continues to be disputed; something on which no agreement can be reached.