Cavernous (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cavernous</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 deep that I've seen before include "Main" , "hard to follow" , "Profound - cunning - sea - bass" , "Cavernous" , "Extending far down" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cavernous</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 gaping that I've seen before include "Opening mouth wide or staring in wonder" , "With the mouth wide open, in wonder perhaps" , "Staring open-mouthed" , "Yawning" .)