De or het avonturisme?

The correct Dutch article is:

het avonturisme

Rule Words ending in -isme: almost always het. See the rule
Meaning (Dutch) lukrake handeling of handelwijze

How to use avonturisme

the avonturismehet avonturisme
this avonturismedit avonturisme
that avonturismedat avonturisme
our avonturismeons avonturisme
your avonturismejouw avonturisme
every avonturismeelk avonturisme
which avonturisme?welk avonturisme?
a big avonturisme / the big avonturismeeen groot avonturisme, het grote avonturisme

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).