Complete range (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">complete range</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for gamut that I've seen before include "Entire range" , "Whole range (from A to Z)" , "Full range, compass" , "Compass, scale" , "Ambit" .)