Synonyms:
unnerved
Meaning: deprived of courage and strength; "the steeplejack, exhausted and unnerved, couldn't hold on to his dangerous perch much longer"
Usage examples
The shock of what she saw would have unnerved a less courageous woman.
A babble of voices broke out, and one by one the boats were hastily launched, heading back to the ship, leaving Chris shaking and unnerved on the sand.