| a chattering or flighty, light-headed person. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
nihilism ni·hil·ism (nī'ə-lĭz'əm, nē'-)
n.
The belief that destruction of existing political or social institutions is necessary for future improvement.
A delusion, experienced in some mental disorders, that the world or one's mind, body, or self does not exist.
An approach to philosophy that holds that human life is meaningless and that all religions, laws, moral codes, and political systems are thoroughly empty and false. The term is from the Latin nihil, meaning “nothing.”