The discussion was heated. ✬

No matter how cold it is outside, the rooms are comfortably heated. ✬

The house is heated by solar energy. ✬

We had a heated discussion about it. ✬

Electric irons are heated by electricity. ✬

Tom and Mary were in the middle of a heated argument when John walked into the room. ✬

Tom heated up some leftovers for dinner. ✬

Tom and Mary had a heated discussion on same-sex marriage. ✬

They had a heated discussion. ✬

They had a heated argument. ✬