Synonyms of the word

nerve-racking

• adj. intensely irritating or distressing to the nerves.

disagreeable

• adj. Not agreeable, conformable, or congruous; contrary; unsuitable.
• adj. Exciting repugnance; offensive to the feelings or senses; displeasing; unpleasant.
• n. Something displeasing; anything that is disagreeable.

nerve-wracking

• adj. (proscribed) Intensely distressing or irritating to the nerves.

stressful

• adj. Irritating; causing stress.

trying

• adj. Difficult to endure; arduous.
• adj. Irritating, stressful or bothersome.
• v. present participle of try.
• n. (philosophy) The act by which one tries something; an attempt.