unnerve
un‧nerve /ʌnˈnɜːv $ -ɜːrv/
verb [transitive]
He was unnerved by the way Sylvia kept staring at him.
—unnerving adjective:
an unnerving experience
un‧nerve /ʌnˈnɜːv $ -ɜːrv/
verb [transitive] Word Family: adjective: nervous, nerveless, nerve-racking, nervy, unnerving; noun: nerve, nerves, nervousness; verb: nerve, unnerve; adverb: nervously
to upset or frighten someone so that they lose their confidence or their ability to think clearly: —unnerving adjective: