in·con·sid·er·ate 
(ĭn′kən-sĭdər-ĭt)
(ĭn′kən-sĭdər-ĭt)adj.
1. Thoughtless of others; displaying a lack of consideration: It is inconsiderate to make noise when people are trying to study.
2. Archaic Not well considered or carefully thought out; ill-advised: an inconsiderate notion.
in′con·sider·ate·ly adv.
in′con·sider·ate·ness, in′con·sid′er·ation (-āshən) n.