Totally dreadful (7)
I believe the answer is:
abysmal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">totally dreadful</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for abysmal that I've seen before include "Deplorable, extremely bad - say ignorance" , "Very bad indeed" , "Extreme and deplorable, perhaps ignorance" , "Extremely bad, appalling" , "Very bad or bottomless" .)