Main Entry:

ad·ven·tur·ism

Pronunciation:

\əd-ˈven-chə-ˌri-zəm\

Function:

noun

Date:

1932

: improvisation or experimentation (as in politics or military or foreign affairs) in the absence or in defiance of accepted plans or principles

— ad·ven·tur·ist \-ˈven-ch(ə-)rist\ noun

— ad·ven·tur·is·tic \-ˌven-chə-ˈris-tik\ adjective