Exhaled wearily (6)
I believe the answer is:
sighed
'exhaled wearily' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for sighed that I've seen before include "Exhaled audibly" , "expressed resignation, say" , "Expressed wordless sorrow" , "Breathed wearily" , "Expressed impatience, longing" .)