Related Clues:

• Rise high in flight
• Increase in intensity or extent
• Raise to higher level, perhaps war
• Increase in intensity or extent, like trouble brewing
• Increase in extent or intensity
• Increase in extent or intensity (8)V
• Rise high into the air
• 'Fly, glide (4)'
• If the case were to get confused and get behind time it would get worse
• The broken case, being no more, will get more so
• For the case to get broken and get dead makes it get more so
• Sounds as if the pain this may give will go up and up
• Get a high with pain, by the sound of it (4)
• Emulate eagles
• Glide high