Outer (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">outer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for exterior that I've seen before include "Foreign" , "Facade" , "covering" , "Outside" , "Outdoor" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">outer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for external that I've seen before include "Lying outside" , "Superficial" , "Outward" , "involving foreign nations" , "Outer" .)
(Other definitions for space that I've seen before include ""The final frontier"" , "Interstellar vacuum" , "Free area" , "Unfilled region" , "Room; gap" .)