Extremely hungry (8)
'extremely hungry' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for famished that I've seen before include "Is fed ham, being very hungry" , "Ma fished, being starved" , "Extremely hungry" .)
(Other definitions for starving that I've seen before include "feeling famished" , "Ravenous, really hungry" , "Dying of hunger" , "certainly not scoffing" , "Suffering from lack of food" .)