The term 'insensate' is used to describe something that is lacking in feeling or emotion. The crossword solutions for this term include 'FATUOUS' (7 letters), which means foolish or silly; 'INANIMATE' (9 letters), which means not alive; 'LIFELESS' (8 letters), which means without life; 'UNFEELING' (9 letters), which means having no emotion; 'DULL' (4 letters), which means lacking in interest or excitement; 'SIMPLE' (6 letters), which means not complex; 'ROCKY' (5 letters), which means full of rocks; and 'NUMB' (4 letters), which means without feeling. All of these words are used to describe something that is without feeling or emotion.