jittery (adj.)

• agitated
• discomposed
• disquieted
• disturbed
• excited
• feverish
• fidgety
• flurried
• flustered
• goosey
• high-strung
• jumpy
• nervous
• nervy
• perturbed
• restless
• ruffled
• shaken
• shaking
• shaky
• shivering
• shivery
• spooky
• trembling
• tremulous
• troubled
• troublous
• turbulent
• uneasy
• unpeaceful
• unquiet
• upset