dis‧a‧gree S2 [intransitive]
to have or express a different opinion from someone else [≠ agree]
He is tolerant of those who disagree with him.
Experts disagree on how much the program will cost.
Barr strongly disagreed with Kronfeld's statement.
if statements, numbers, or reports about the same event or situation disagree, they are different from each other [≠ agree]:
The statements of several witnesses disagree.
disagree with somebodyphrasal verb
if something such as food or weather disagrees with you, it has a bad effect on you or makes you ill:
Seafood always disagrees with me.