painful - agonizing traffic sign on blue sky

painful agonizing traffic sign blue sky excruciating torturous suffering distressing unbearable intense harrowing tormenting heartrending severe throbbing aching debilitating anguished sharp miserable wrenching grievous racking pained piercing bitter pain intolerable unendurable crushing gut-wrenching agonized heart-wrenching exquisite sting pangs invasive deep relentless overwhelming unrelenting torment physical distress experience pervasive agony unceasing incessant unending endless persistent unrelieved