daunting
adjective
UK/ˈdɔːn.tɪŋ/
US/ˈdɑːn.t̬ɪŋ/
Definitions of daunting adjective
causing a feeling of apprehension or slight fear regarding one's ability to accomplish something
The team members felt a bit daunted by the magnitude of the challenge.
Climbing this steep mountain can be a daunting task for beginners.
She knew giving a speech at the international conference would be a daunting ordeal.