Insensitive (7)
'insensitive' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for callous that I've seen before include "Cruel or unsympathetic" , "Emotionally hardened" , "Not feeling" , "Hard and unfeeling" , "Insensitive, cruel" .)
'insensitive' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for numb that I've seen before include "Unable to move" , "Insensate" , "Without feeling" , "Deaden" , "Stunned, insensible" .)
'insensitive' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for tactless that I've seen before include "Indiscreet" , "Without subtlety or sensitivity" , "Maladroit" , "Unlikely to make Diplomatic Service" , "Let's cast away, lacking sensitivity" .)