Disagree means to not agree or to differ. Disagree can also mean to have different opinions or to cause physical discomfort. If two things disagree, they don't match and most likely clash with each other.

What is disagreement definition?

1 : the act of disagreeing. 2a : the state of being at variance : disparity. b : quarrel.

What are examples of disagreement?

Consider this example: "A: I really like those jeans! B: But you told me last week that you don't like jeans!" The second speaker is directly disagreeing with the first person's statement.