Longman Dictionary of Contemporary English - insensitive

~ adj 1 not noticing other people's feelings, and not realizing when they are upset or when something that you do will upset them  (One insensitive official insisted on seeing her husband's death certificate.)  (She's totally insensitive to Jack's feelings.) 2 not paying attention to what is happening or to what people are saying, and therefore not changing your behaviour because of it  (Companies that are insensitive to global changes will lose sales. | Outwardly he seems insensitive to criticism.) 3 not affected by physical effects or changes  (insensitive to pain | insensitive to light) - insensitively adv - insensitivity n