See insensitive in Webster's New World Roget's A-Z Thesaurus II
adjective
Lacking physical feeling or sensitivity:
asleep, dead, insensible, numb, unfeeling. See awarenessNot capable of being affected or impressed:
impassible, impassive, insusceptible, unimpressionable, unsusceptible. See affectLacking passion and emotion:
anesthetic, bloodless, dull, insensate, insensible. See attitude, feelingsLacking responsiveness or alertness:
benumbed, dull, insensible, numb, stuporous, torpid, unresponsive, wooden. See awareness
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