Related Clues:

• Present, e.g.
• It can be past or present
• On tenterhooks
• Drawn tight
• All wound up
• Ex-lax?
• Tightly stretched
• Trendsetting
• Grammarian's concern
• Stiffen
• Liable to make one scratch
• Like some trigger fingers
• Groundbreaking
• Not cool at all
• Disturbed