What is another word for

stressful

stressful as in extremely irritating to the nerves
  • "nerve-racking noise"
  • "the stressful days before a war"
  • "a trying day at the office"

Synonyms

  • nerve-rackingextremely irritating to the nerves
  • nerve-wrackingextremely irritating to the nerves
  • tryinghard to endure; extremely irritating to the nerves