harrowing Synonyms

excruciating agonising torturous agonizing tormenting terrifying terrible stabbing shocking piercing painful sanguineous sad racking poignant severe tragic soul-crushing anguishing heart-rending unbearable nerve-racking nightmarish hair-raising torturesome wretched worrying woeful upsetting traumatic monstrous miserable disturbing distressful distressing dire cruel cataclysmic cataclysmal bitter awful atrocious appalling alarming dreadful frightening frightful horrifying horrid horrible