considerate反义词是：inconsiderateIt was inconsiderate of him to forget .他不顾别人，把事情忘了。
He is a reckless or inconsiderate driver .他是一个鲁莽而不顾他人的司机。Please excuse me if i have been inconsiderate in any way .不到之处请原谅。I want to put myself on record as believing he did a hasty and inconsiderate thing .我要公开声明，我认为他这事干得很轻率，很冒失。To be inconsiderate , to ignore your obligations不顾别人，也不顾你自己的职责