De or het ontindividualisering?

The correct Dutch article is:

de ontindividualisering

Rule Words ending in -ing: almost always de. See the rule

How to use ontindividualisering

the ontindividualiseringde ontindividualisering
this ontindividualiseringdeze ontindividualisering
that ontindividualiseringdie ontindividualisering
our ontindividualiseringonze ontindividualisering
your ontindividualiseringjouw ontindividualisering
every ontindividualiseringelke ontindividualisering
which ontindividualisering?welke ontindividualisering?
a big ontindividualisering / the big ontindividualiseringeen grote ontindividualisering, de grote ontindividualisering