To disagree is to have a different opinion or to not accept what someone else says. It can also mean that two things do not match or fit together.
From 'dis-' meaning 'apart, not' and 'agree' from Old French and Latin 'adgratus' meaning 'pleasing, in harmony'. So to 'disagree' literally means 'to be out of harmony'.
Hidden in 'disagree' is the idea of music going out of tune—no more harmony. People often fear disagreement, but it’s also how new ideas and better solutions are discovered.
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