Insist upon (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insist upon</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for demand that I've seen before include "Imperious request as for payment" , "Urgent or peremptory request" , "Insistent request" , "Require, need" , "Ask peremptorily or call for" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">insist upon</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for urge that I've seen before include "Yen" , "Encourage to proceed, drive onward" , "Try hard to persuade, advise earnestly" , "Press to do something" , "Press; drive" .)