lu·na·tic (lo͞o′nə-tĭk)n. 1. A person who is affected by lunacy; a mentally deranged person. 2. A very foolish person. adj. 1. Affected by lunacy; mentally deranged. 2. Of or for people who are mentally deranged; a lunatic asylum 3. Wildly or giddily foolish: a lunatic decision. Does it seem one side of the political spectrum [...]
