insensitive adj.
1 not knowing or caring how sb else feels
VERBS appear, be, seem | become, grow | make sb | think sb I don't want to be thought insensitive, but I do think we should go ahead despite the accident.
ADV. extremely, highly, incredibly, remarkably, very | totally | a bit, rather, somewhat
PREP. to Years of abuse at boarding school had made him insensitive to others' suffering.
2 not able to feel/be influenced by sth
VERBS be | remain
ADV. completely, totally | almost | largely | fairly, relatively
PREP. to The machine is relatively insensitive to changes in the atmosphere.
You can also check other dicts: insensitive (English, 中文解释 ), wordnet sense, Collins Definition