Connotation (12)
I believe the answer is:
undercurrent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">connotation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for undercurrent that I've seen before include "Hidden emotional feeling" , "Dangerous flow beneath sea surface" , "whiff" , "Sub-surface flow" , "Riptide" .)