Bad, mad true drunk is portrayed in outline (10)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">portrayed in outline</span>' is the definition.<br/ ><span class="explanation-format__explanation">(to adumbrate is to outline)</span><br/ ><br/ >'<span class="explanation-format__original">bad mad true drunk</span>' is the wordplay.<br/ >'<span class="explanation-format__original">drunk</span>' is an anagram indicator.<br/ >'<span class="explanation-format__original">bad</span>'+'<span class="explanation-format__original">mad</span>'+'<span class="explanation-format__original">true</span>'='<span class="explanation-format__intermediate">badmadtrue</span>'<br/ >'<span class="explanation-format__intermediate">badmadtrue</span>' with letters rearranged gives '<span class="explanation-format__answer">ADUMBRATED</span>'.<br/ ><br/ >'<span class="explanation-format__original">is</span>' acts as a link.<br/ ></span>