unrelaxing
/ʌnˈrɛlæksɪŋ/Definitions
1. adjective
causing or tending to cause a feeling of tension or stress, rather than relaxation.
“The unrelaxing atmosphere of the city made it difficult for me to unwind after work.”
2. noun
a situation or experience that causes tension or stress.
“The unrelaxing traffic on the highway was causing us to be late for our flight.”