insensitive

adjective4

1. •
   Expressing or feeling little or no concern, care, compassion, or consideration for the feelings, emotions, sentiments, or concerns of other people; inconsiderate or incompassionate.
2. •
   Not expressing normal emotional feelings; cold; tactless; undiplomatic.
3. •
   Unreceptive, indifferent; displaying little openness or receptivity.

   • This early rigidification and satisfaction with his own conclusions made him insensitive to new political and philosophical ideas. — 1978
4. •
   Not expressing normal physical feeling.

   • It is something like the way dame Nature gathers round a foreign body an envelope of some insensitive tissue which can protect from evil that which it would otherwise harm by contact. — 1897