Dynamism (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dynamism</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 energy that I've seen before include "Power - drive" , "Fuel" , "Vigour, spirit" , "Seventeen forty six defeat for Bonnie Prince Charlie" , "Vigour, vim, vitality" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dynamism</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for get-up-and-go that I've seen before include "Vim" , "'pizazz'" .)