Related Clues:

• Mega
• Very good or very big
• Sufficient, more than enough
• More than enough
• Informally great or large
• Extremely large
• 'Excellent, colloquially (4)'
• Not caught at this to a great extent
• There's plenty if the South would be trying it
• To a great extent this may be regal.
• To a great extent one is not caught at this
• The glare you might get from this is not what you'd get from 11 across (5)
• To have had 'er in suspense like this would have been to have had 'er in want
• Mostly free at it
• To a large extent it sounds as if there's firing going on there