Time to return cigar sad (6)
I believe the answer is:
tragic
'sad' is the definition.
(similar in meaning)
'time to return cigar' is the wordplay.
'time' becomes 't' (abbreviation).
'to return' is a reversal indicator.
'cigar' reversed gives 'ragic'.
't'+'ragic'='TRAGIC'
(Other definitions for tragic that I've seen before include "Mournful" , "Pathetic" , "Dreadful" , "Exceedingly sad" , "Terrible" .)