Related Clues:

• Stinging character of nettle reduced by some nursing Charlie
• Soap that comes in blue-green bars
• Citrus scraping
• Obvious enjoyment
• Martini's lemon twist, e.g
• Ingredient from a rind
• Ennui antonym
• Lemon bar ingredient
• Word with lemon or orange
• Citrus peel used as flavoring
• Enthusiasm shown by last letter oddly missing from bedsit
• Shavings in marmalade
• Enthusiasm shown during quizzes there
• Outer part of citrus fruit peel
• ___ for life (high spirits)