Related Clues:

• Emotionally charged
• Walking on eggshells
• Unable to sit still
• Like a tie game in overtime
• Suspenseful
• Not easy
• Under tension
• Future perfect, for one
• Pluperfect, e.g.
• Apt to snap
• Pulled tight
• Tight, as a drum skin
• Noun concerning verbs
• Needing a massage
• Tightly strung