soliddisagreement

noun
UK /ˈsɒlɪdˌdɪsəˈɡriːmənt/
US /ˈsɑːlɪdˌdɪsəˈɡriːmənt/

A solid disagreement is a big, strong argument where people really do not agree.

The two teams had a solid disagreement about the rules of the game.


OTHER MEANINGS

2. A complete and total lack of agreement between two sides.

There was solid disagreement between the neighbors about the fence.

3. A firm refusal to accept someone else's idea.

Her solid disagreement with the plan surprised everyone at the meeting.

4. A strong difference of opinion that is hard to change.

The solid disagreement between the brothers lasted for days.