Synonyms of the word

skittish

• adj. Easily scared or startled; timid.
• adj. wanton; changeable; fickle.

excitable

• adj. Easily excited.

flighty

• adj. (obsolete) swift.
• adj. Given to unplanned and silly ideas or actions.
• adj. (of a bird) that flies easily, or a lot.

nervous

• adj. Easily agitated or alarmed; on edge or edgy.
• adj. Apprehensive, anxious, hesitant, worried.
• adj. Relating to or affecting the nerves.
• adj. (obscure) Of a piece of writing: forceful, powerful.

spooky

• adj. eerie, or suggestive of ghosts or the supernatural.
• adj. unpredictably excitable; skittish (used especially of horses).