semidocumentary

noun

semi·​doc·​u·​men·​ta·​ry ˌse-mē-ˌdä-kyə-ˈmen-tə-rē 

ˌse-ˌmī-,

-mi-,

-ˈmen-trē

: a movie that uses many details taken from actual events or situations in presenting a fictional story

semidocumentary adjective

Word History

First Known Use

1939, in the meaning defined above