Related Clues:

• Expiring
• Like a graying ember
• About to go out
• Withering
• Not progressing
• Faulkner's 'As I Lay ___'
• Desiring greatly, with "for"
• Brackish
• Covered with pond scum, perhaps
• Desperately longing (to)
• Very eager (to)
• Losing power
• Failing onstage
• Bombing on stage
• Fizzling out