skittish /ˈskɪtɪʃ/ adjective Learner's definition of SKITTISH
[more skittish; most skittish]
1
of an animal : easily frightened or excited（动物）易惊的 2
: nervous or fearful about doing something紧张的；担心的 3
chiefly US : tending to change often : not dependable or stable反复无常的；不可靠的
— skittishness
noun [noncount]