Tough Listener I messed up (9)
I believe the answer is:
resilient
'tough' is the definition.
(I've seen this before)
'listener i messed up' is the wordplay.
'messed up' indicates anagramming the letters.
'listener'+'i'='listeneri'
'listeneri' is an anagram of 'RESILIENT'.
(Other definitions for resilient that I've seen before include "quick to bounce back" , "Irrepressible" , "Quickly recovering" , "Able to spring back into shape" , "recovering easily from shock" .)