v.intr. (intransitive verb)
(1) dis.a.greed, dis.a.gree.ing, dis.a.grees;
(2) To fail to correspond:
Our figures disagree.
These two reports of the accident disagree.
His conduct disagrees with his words.
(3) To have a differing opinion:
She disagrees with him on everything.
They say it will rain, but I disagree.
I disagree with you about this.
He said it would rain, but I disagreed with him - I was sure it would not rain.
I disagreed with him about (over/as to) how we ought to deal with backward.
(4) To cause adverse effects:
Caffeine disagrees with me.
Icecream always disgrees with me.
Hot climate disagrees with me.