Lazy celebrity one might say (4)
I believe the answer is:
idle
'lazy' is the definition.
(similar in meaning)
'celebrity one might say' is the wordplay.
'celebrity' becomes 'idol' (I've seen this in another clue).
'one might say' indicates a 'sounds like' (homophone) clue.
'idol' sounds like 'IDLE'.
(Other definitions for idle that I've seen before include "Empty" , "Unoccupied (time); run (engine) slowly" , "Circus entertainer" , "Inert; lazy" , "Workshy" .)