Scarcely sufficient (5)
I believe the answer is:
scant
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scarcely sufficient</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for scant that I've seen before include "Limited, inadequate" , "Cursory" , "Bare" , "Deficient, sparing" , "Barely adequate" .)