Possible Clues:

• Not to be surpassed
• 'Grand' is French for 'most famous'
• Most weighty trial after king began executing anarchists
• And six down. As created by Bonnie Prince Billy
• ''But the . . . . . . . . of these is love'' - Bible
• Biggest outrage at the cricket match
• Inordinate rage before examination that's most extensive
• Most of Reg gets confused at a match
• Get rates negotiated. Most important!
• Highest in quality or in quantity