insensitive
adjective
1. not responsive to physical stimuli
- insensitive to radiation
Similar word(s): unresponsive, insensible, dead, deadened, unreactive, insusceptible, unsusceptible
2. deficient in human sensibility; not mentally or morally sensitive
- insensitive to the needs of the patients
Similar word(s): hard, unresponsive, insensible, callous, indurate, pachydermatous, dead, numb, dull, insensible, unaffected, soulless, tough