Barely sufficient in amount (5)
I believe the answer is:
scant
(Other definitions for scant that I've seen before include "Minimal (amount)" , "Cursory" , "Hardly any" , "Meagre" , "Limited, inadequate" .)
I believe the answer is:
scant
(Other definitions for scant that I've seen before include "Minimal (amount)" , "Cursory" , "Hardly any" , "Meagre" , "Limited, inadequate" .)