Related Clues:

• Like a newly-installed fan belt
• Far from slack
• Active or bole preceder
• Needing a massage, say
• Boundary-pushing
• With little slack
• Past condition?
• Too energetic
• Past, present or future
• Provocatively stylish
• Daring, in a way
• Like a drumhead
• Nail-biting
• Unconventionally provocative
• Suspense-filled