Mighty (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mighty</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 strong that I've seen before include "Able to withstand attack" , "Intense" , "Not easily broken" , "Convincing" , "Powerful; full-flavoured" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mighty</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for powerful that I've seen before include "Like a potentate" , "Having a strong effect" , "Dominant" , "with lots of horses" , "Mighty" .)