Insensitive

a.

1.

Not sensitive; wanting sensation, or wanting acute sensibility.

Adj.	1.	insensitive - not responsive to physical stimuli; "insensitive to radiation" Antonyms: sensitive - responsive to physical stimuli; "a mimosa's leaves are sensitive to touch"; "a sensitive voltmeter"; "sensitive skin"; "sensitive to light"
	2.	insensitive - deficient in human sensibility; not mentally or morally sensitive; "insensitive to the needs of the patients" Antonyms: sensitive - having acute mental or emotional sensibility; "sensitive to the local community and its needs"

Philistine, aloof, anesthetic, anesthetized, asleep, benumbed, blanket, bloodless, boorish, caddish, calloused, case-hardened, casual, coarse, cold, cold of heart, coldblooded, coldhearted, crude, dead, deadened, dull, flinthearted, flinty, general, hard of heart, hardened, hardhearted, heartless, ill-bred, impassible, impassive, imperceptive, impercipient, impervious, imprudent, inconsiderate, incurious, indifferent, indiscreet, indiscriminate, indiscriminative, indurated, insensate, insensible, insentient, inured, loutish, louty, nasty, nonjudgmental, numb, numbed, obtuse, offensive, pachydermatous, promiscuous, proof against, rocky, senseless, steeled against, steely, stony, stonyhearted, tactless, thick-skinned, thick-witted, unconcerned, uncritical, uncriticizing, undemanding, undifferentiating, undiscreet, undiscriminating, undiscriminative, unexacting, unfastidious, unfelt, unfeminine, ungenteel, ungentle, ungentlemanly, unimpressible, unimpressionable, unladylike, unmerciful, unmeticulous, unnatural, unparticular, unperceptive, unrefined, unresponsive, unselective, unsolicitous, unsubtle, unsusceptible, untactful, vulgar, wholesale