Synonyms:
- acute,
- afflictive,
- agonizing,
- alarming,
- atrocious,
- biting,
- chilling,
- consuming,
- cramping,
- cruel,
- daunting,
- desolating,
- disconcerting,
- dismaying,
- disquieting,
- distressing,
- disturbing,
- excruciating,
- frightening,
- gnawing,
- grave,
- griping,
- hard,
- harsh,
- heartbreaking,
- heartrending,
- heartsickening,
- heartwounding,
- horrible,
- horrifying,
- hurtful,
- hurting,
- nerve-racking,
- painful,
- paroxysmal,
- piercing,
- poignant,
- pungent,
- racking,
- rending,
- severe,
- sharp,
- shooting,
- spasmatic,
- spasmic,
- spasmodic,
- stabbing,
- stinging,
- tearing,
- terrifying,
- tormenting,
- torturing,
- torturous,
- traumatic,
- upsetting,
- vexing,
- worrisome,
- worrying