Related Clues:

• Create disturbance -- a barrier contains it
• Cause trouble by investing it in quartz
• Work up a temperature in a French farmhouse
• Prompt or late restaurant reviewer consumes gargantuan starter
• Encourage good vitality in European banks
• Urge, say, shown by half-hearted fool
• Incite it in a football crowd
• Stir; arouse
• Snogged, when retired, suppressing urge
• Encourage, for example, attempt with pole
• Makings of a miniature building project
• Disturb top barman from one London museum
• Stir up, excite
• Worry, seeing it in a portal
• Box of blocks