Related Clues:

• Drama-filled
• Experiencing jitters
• Fully drawn
• Needing kneading
• Opposite of relaxed
• Like a bowstring
• All keyed up
• Having the jitters, perhaps
• Tightly wound
• Stretched thin
• Tied up in knots
• Highstrung
• It can be past or present, in grammar
• Verb form
• Anxiously impatient