Aphrodisiac making old artist unsteady (7)
I believe the answer is:
erratic
'unsteady' is the definition.
(I've seen this in another clue)
'aphrodisiac making old artist' is the wordplay.
I cannot really understand how this works, but
'artist' could be 'ra' (Royal Academician, member of Royal Academy of Arts) and 'ra' is found in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for erratic that I've seen before include "Irregular or uneven in movement or habit" , "Irregular or uneven in movement or habits" , "Inconsistent, shifting" , "Variable" , "Shifting like Cartier" .)