Related Clues:

• Most wound up
• Stretched to the limit
• Least relaxed
• Least loose
• Most uptight
• Most volatile
• Most edgy
• Most rigid
• Most tightly stretched
• Having the least give
• Ill-fitting set sent tight as can be
• Most up-tight
• Most strained
• For example, future saint is extremely rigid
• Most likely to snap, say