adj.: inconsiderate, unthinking, unthoughtful, thoughtless, not aware of the possible effects or consequences of one's actions, etc, careless, said, done, etc without proper consideration
Thesaurus Group
Buti The other Zhuxiangde, not caring about the feelings of other people, badly planned breezy, absent, blithe, happy and carefree, no uncommunicative, freehanded, breezy, agreeable, reckless, slap-happy indiscreet