Phobia of some still-life artists (4)
I believe the answer is:
fear
'phobia' is the definition.
(thesaurus)
'some still-life artists' is the wordplay.
'some' indicates the answer is hidden within the clue (some of the parts of the word are used).
'FEAR' is hidden in the letters of 'still life artists'.
'of' is the link.
(Other definitions for fear that I've seen before include "Trepidation" , "Dread, great anxiety" , "Anxiety caused by danger" , "Respect" , "Apprehension" .)