listen to the pronunciation of spookish
Englisch - Türkisch
{s} tekin olmayan
{s} hayalet gibi
Englisch - Englisch
Easily startled, frightened, or unnerved

As a lesson horse she needs to gain confidence in her rider, or can become spookish over the jumps, dodging out of them.

Frightening or unnerving in the manner of something eerie or supernatural; spooky

Religion is everywhere a gauge of respectability. . . . The right to participate, however humbly, in His august and transcendental operations offers a powerful satisfaction to the will to power; the same privilege, on a smaller scale, is what takes hordes of human blanks into the Freemasons and other such spookish amalgamations of nonentities.