insensitive

Adjective

• not responsive to physical stimuli
  • "insensitive to radiation"
• deficient in human sensibility; not mentally or morally sensitive
  • "insensitive to the needs of the patients"

Adj

• Expressing or feeling little or no concern, care, compassion, or consideration for the feelings, emotions, sentiments, or concerns of other people; inconsiderate or incompassionate.
• Not expressing normal physical feeling.
• Not expressing normal emotional feelings; cold; tactless; undiplomatic.

Synonyms

anesthetic, aweless, bad-mannered, barbaric, bold, bumptious, callous, churlish, cold, cold-eyed, crude, discourteous, dour, flint-hearted, forbidding, frosty, gauche, grim, hard, hard-boiled, hardened, hardhearted, harsh, heartless, humorless, icy, ill-bred, ill-mannered, impolite, incivil, insensate, insensible, insensitive, insolent, iron-hearted, lack-grace, mismannered, rantipole, rigorous, rockhearted, rough, rude, ruthless, severe, stern, stonehearted, stony, stonyhearted, strict, tough, uncivil, uncompassionate, uncourteous, uncouth, uncultured, underbred, unmannerly, unmoved, unpolished, unpolite, unrefined, unsensitive, unsympathetic

Antonyms

sensitive, compassionate, ruthful, sensate, tactful, warm