not thoughtful or thorough enough; lacking in care or consideration for others; discourteous

A mythical mountain in ancient Chinese legends; according to myth, the giant [[共工|共工|gong4 gong1]] crashed into it during a battle with [[颛顼|顓頊|zhuan1 xu1]], breaking the pillar of heaven and causing the mountain to be incomplete.

Used in logic to describe a term in a proposition that does not refer to all members of the category it names.