Physical, tangible (8)
I believe the answer is:
concrete
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">physical</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">tangible</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for concrete that I've seen before include "Firm" , "It's composed of sand, cement and water" , "Solid, real" , "Specific - building material" , "Unsightly building material" .)