Super Bowl wagerer's reference number, 9 letters
Beat into the ground, 7 letters
Beat to death, so to speak, 7 letters
Cause of diminishing returns, 7 letters
Excessive application, 7 letters
Make stale, in a way, 7 letters
Operate excessively, 7 letters
Reason for wear and tear, 7 letters
Say too much, as a catchphrase, 7 letters
Turn into a chestnut, 7 letters
Exploitation to the point of diminishing returns, 7 letters
Like some expressions, 8 letters
Worn out, as phrases, 8 letters
Employs too often, as a word, 8 letters
Runs into the ground, 8 letters
Strains, as a muscle, 8 letters
Exploitation to the point of diminishing returns, 15 letters
Exploitation to the point of diminishing returns, 15 letters