Prevailing (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prevailing</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that prevailing can be written as dominant)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dominant that I've seen before include "alpha male?" , "Ascendant" , "Exercising influence or control" , "Having a commanding influence or towering over" , "Main, principal" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prevailing</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for popular that I've seen before include "having many fans" , "Hot" , "In general favour" , "Non-technical" , "Fashionable" .)