Related Clues:

• Solemn, or not drunk
• 'Earnest, grave (6)'
• 'Dignified, sombre (6)'
• 'Sedate, grave (6)'
• That's the only way to start to be serious.
• Like vows
• Able to walk a straight line
• Only Monaghan is sober
• Not loaded, say
• Formal and dignified
• No longer drinking
• Only fellow losing heart is sober
• Robes embroidered, but not gaudy
• Sedate singularly famous cricketer
• Grave for only man with a shed