SYNTHESPIAN Meaning of SYNTHESPIAN in English syn ‧ thes ‧ pi ‧ an /sɪnˈθespiən/ BrE AmE noun [countable] an actor who seems like a real person, but who is an image made using a computer SYN VActor Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012