Substance (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">substance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(stuff is a kind of substance)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for stuff that I've seen before include "Substance; material" , "set with unspecified ingredients" , "Material - things" , "Cram; material" , "crowd" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">substance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for matter that I've seen before include "Substance as opposed to spirit" , "Physicist giving name to frequency shift" , "Physical substance" , "No . . . . . . - it is unimportant" , "See 18" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">substance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(both can mean something's essence or gist)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pith that I've seen before include "Spongy tissue lining rinds of oranges, or the essential part" , "Citrus rind lining" , "Tissue inside the rind of citrus fruits" , "Inside skin of, say, orange" , "Core - essence" .)