raise/lower the temperature

lower the temperature

To lessen the intensity of the emotions surrounding something, especially negative ones. With the region on the cusp of war, ambassadors from several nations are entering into talks to try and lower the temperature.
See also: lower, temperature

raise the temperature

To increase the emotions surrounding something, especially negative ones. With the region already on the cusp of war, many fear that the ambassador's comments risk raising the temperature further.
See also: raise, temperature

raise/lower the ˈtemperature

(informal) increase/decrease the amount of excitement, emotion, etc. in a situation: His angry refusal raised the temperature of the meeting.The government tried to lower the political temperature by agreeing to some of the demands.
See also: lower, raise, temperature