unnerve

present singular third person unnerves · participle present unnerving · participle past unnerved · past unnerved

1. To deprive of nerve, force, or strength; to weaken; to enfeeble. Compare enervate.

   to unnerve the arm

2. To make somebody nervous, upset, alarm, shake the resolve of.

   I was greatly unnerved by the news that my attacker was back in the country.

   1 more example

   But new immigration is no longer the primary driver of the growing racial, ethnic and religious diversity that unnerves much of the GOP coalition.

   2021 April 23, Ronald Brownstein, “The racist ‘replacement theory’ has it all backward”, in CNN