Here are the possible solutions for not just a weak e but a clue
Answer
Clue
Relevancy
flimsyexcuse
Clue
Not just a weak e-----, but a ___ ___
suntzu
Clue
"Appear weak when you are strong, and strong when you are weak" writer
papertiger
Clue
Outwardly powerful but inwardly weak person
alea
Clue
"Give Schweppes Ginger ___ try!" (brilliant soda slogan I just made up) (this clue dedicated to the great Merl Reagle, the master of saving weak entries; RIP, Merl)
longu
Clue
Feature of "butte" but not "but"
seance
Clue
Activity in which people talk to the dead (but not really) (but maybe)