stressful Synonyms

trying nerve-wracking nerve-racking white knuckled tiring tight thorny tensive tense taxing strenuous strained sticky toilsome tough pressured cliffhanging nail-biting gruelling grueling worrying weighty tricky traumatic severe rough draining disturbing distressing difficult demanding complicated complex burdensome arduous anxious exacting exhausting fraught restless problematic perplexed painful oppressive knotty intense hard grievous frustrating agitating