1. in a way that is extremely annoying or difficult to tolerate

Examples

• He was insufferably arrogant during the meeting.
• The heat in the room became insufferably hot.
• She spoke insufferably slowly, testing everyone’s patience.
• The child behaved insufferably at the restaurant.
• His insufferably loud music kept the neighbors awake.
• The professor was insufferably condescending to his students.