Related Clues:

• Willingness to get dirty
• Book backbone
• Resoluteness
• Bodybuilder's goal
• Reason for decoration
• Triathlete's quality
• Self-possession
• Liberal, so to speak
• Cowardly Lion's lack
• Dogged determination
• "True __": John Wayne film
• Chiropractor's target
• Stoutheartedness
• "Of all the ___!"
• Marathon runner's need