Scrupulous (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scrupulous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for thorough that I've seen before include "Full" , "Complete - painstaking - unqualified" , "Meticulous and conscientious" , "Detailed" , "Rigorous" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scrupulous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for painstaking that I've seen before include "Laboriously careful" , "using great care" , "Extremely careful" , "Meticulous" , "Assiduous, thorough" .)