1. causing severe physical or mental suffering; extremely painful or distressing
2. extremely slow, difficult, or unpleasant

Examples

• The hike up the mountain was torturous in the blazing heat.
• She endured a torturous recovery after the surgery.
• The torturous process of learning calculus took months.
• His torturous headaches lasted for days.
• The meeting was torturous and seemed to go on forever.
• The torturous wait for test results made her anxious.
• They faced a torturous journey through the desert.