nerve-racking
adjective
[ ˈnəːvrakɪŋ ]
• causing stress or anxiety.
• "his driving test was a nerve-racking ordeal"
Similar:
stressful,
anxious,
worrying,
fraught,
nail-biting,
tense,
difficult,
trying,
worrisome,
disquieting,
daunting,
alarming,
frightening,
scary,
hairy,
anxious-making,