Related Clues:

• Strunk and White's concern
• Grammarians concern
• Far from relaxed
• Lacking slack
• In knots
• Word on a water bill
• In danger of snapping
• Past or future
• Present, for one
• Hardly relaxed
• It may be perfect
• All knotted up
• Writer's concern
• Gram-marian's topic
• It may be past or present