/ ɪnˈsensətɪv; NAmE / adjective insensitive (to sth)
1.
not realizing or caring how other people feel, and therefore likely to hurt or offend them
SYN unsympathetic :
an insensitive remark
She's completely insensitive to my feelings.
2.
not aware of changing situations, and therefore of the need to react to them :
The government seems totally insensitive to the mood of the country.
3.
not able to feel or react to sth :
insensitive to pain / cold
He seems completely insensitive to criticism.
OPP sensitive
► in·sensi·tive·ly adverb
► in·sensi·tiv·ity / ɪnˌsensəˈtɪvəti; NAmE / noun [ U ]