Appalled (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">appalled</span>' is the definition.<br/ ><span class="explanation-format__explanation">('horrify' can be a synonym of 'appal')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for disgusted that I've seen is " Sickened, revolted".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">appalled</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aghast that I've seen before include "Horror-stricken, filled with consternation" , "struck with fear" , "Horrified, appalled" , "Deeply dismayed" , "Filled with terror" .)