obscurant

adjective

ob·​scur·​ant äb-ˈskyu̇r-ənt 

əb-

variants or obscurantic

ˌäb-skyə-ˈran-tik 

: tending to make obscure

obscurant language

obscurant noun

Word History

Etymology

borrowed from French (earlier as noun), borrowed from Latin obscūrant-, obscūrans, present participle of obscūrāre "to darken, eclipse, conceal from knowledge" — more at obscure entry 2

First Known Use

1878, in the meaning defined above