Possible Clues:

• Large, solid
• It may be high and huge before I have it
• To a very large extent that's the service I have
• Weighty
• To a very large extent, what I have may be high
• Not wavering
• The very great service I have
• The service I have is a great one
• Huge crowd I have to follow
• In church one gets to the end of 9 across to a very great extent