parapsychology, parapsychological 1. The science or study of phenomena that lie outside the sphere of orthodox psychology. 2. The study of extrasensory perception, such as thought transference (telepathy) and clairvoyance. 3. The branch of psychology dealing with the study of psychic phenomena; such as, extrasensory perception, clairvoyance, and t... Found on http://www.wordinfo.info/words/index/info/view_unit/2730/4