Wiktionary
unassimilable
a. inassimilable
Usage examples of "unassimilable".
Subsequent migrations composed of dissident ethnic elements from other Terran cultures, unassimilable, fractious, and quarrelsome in their own way, only intensified the warlike xenophobia of the first settlers.
The initial wave of immigration was sponsored by the governments of various oil-rich emirates in an effort to dispose of these unassimilable people peacefully.
That there is nothing about the Jewish race physically that is unassimilable is shown by what happened in Spain.