Immeasurably deep (10)
I believe the answer is:
bottomless
(Other definitions for bottomless that I've seen before include "Quince thus was in a jam" , "Very deep" , "without 17 [BEHINDS] !" , "Unfathomable" , "Having no limits" .)
I believe the answer is:
bottomless
(Other definitions for bottomless that I've seen before include "Quince thus was in a jam" , "Very deep" , "without 17 [BEHINDS] !" , "Unfathomable" , "Having no limits" .)