Related Clues:

• Doesn't give up
• Maintains
• Retains
• Stays fresh
• Doesn't donate
• Holds on to
• Permanently, after 'for'
• Won't relinquish
• Doesn't spoil
• Castle strongholds
• Doesn't give up?
• Doesn't toss
• Doesn't throw out
• Doesn't throw away
• Doesn't spoil, as food