stressful

comparative more stressful · superlative most stressful

1. Irritating; causing stress.

   Whether you need to recover from a stressful day, a strenuous workout or even an injury or surgery, restorative yoga may be just the thing for you.

   2017 February 17, Dana Santas, “Recovering from surgery or stress? Yoga can help”, in CNN

   1 more example

   I have always argued that change becomes stressful and overwhelming only when you've lost any sense of the constancy of your life. You need firm ground to stand on. From there, you can deal with that change.

   1970, Richard Nelson Bolles, What Color Is Your Parachute?

2. Mentally taxing.