Webster's Revised Unabridged Dictionary · 1913

Skittish

Skittish , adjective

[See Skit, transitive verb]

1.
Easily frightened; timorous; shy; untrustworthy; as, a skittish colt.
A restiff, skittish jade. — L'Estrange
2.
Wanton; restive; freakish; volatile; changeable; fickle.
Skittish Fortune's hall. — Shakespeare