intr.v. dis·a·greed, dis·a·gree·ing, dis·a·grees
a. To have a differing opinion: She disagrees with him on everything. They say it will rain, but I disagree.
b. To dispute or quarrel: When those two disagree, there is a lot of yelling.
2. To fail to correspond: Our figures disagree.
3. To cause adverse effects: Caffeine disagrees with me.
[Middle English disagreen, from Old French desagreer : des-, dis- + agreer, to agree; see AGREE.]
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