Related Clues:

• Not give up
• Not toss
• What you must do when the trade falls through
• Don't ditch
• ''___ on truckin'''
• Don't throw away
• Observe, as the Sabbath
• Castle fortification
• Opposite of throw away
• Medieval castle tower
• Word with ''cool'' or ''pace''
• Remain unspoiled
• Not go bad
• Strongest part of a castle
• Don't throw out