Extremely thin (6)
(Other definitions for skinny that I've seen before include "not having much in the way of meat" , "Lacking food" , "little of substance?" , "Unattractively thin" , "Scraggy, scrawny" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extremely thin</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for gaunt that I've seen before include "place associated with Edward III's son" , "forlorn" , "Very thin, cadaverous" , "Unhealthily thin" , "Thin and pinched" .)