polypsychical, polypsychic, polypsychism 1. Having many souls, many-souled. 2. The belief in a multiplicity of souls in one person. 3. The belief in a multiplicity of spiritual beings as the causes of natural phenomena. 4. A belief that humans have several souls or modes of intelligence. Found on http://www.wordinfo.info/words/index/info/view_unit/2730/5