If "Americanized" means to make something more like American culture:
* Indigenous: This emphasizes the original, non-American nature of something.
* Traditional: This highlights the original, pre-Americanized state of something.
* Authentic: This refers to something genuine and not altered by American influences.
* Native: This implies something belonging to a specific culture other than American.
If "Americanized" means to simplify or make something accessible to a wider audience:
* Complex: This suggests something intricate and not simplified.
* Sophisticated: This implies something refined and not made easily accessible.
* Elitist: This describes something intended for a select group, not a wide audience.
If "Americanized" means to adapt something to fit American standards:
* Foreign: This highlights the non-American origin of something.
* International: This emphasizes the global nature of something, not restricted to American standards.
* Non-conformist: This implies something that doesn't adhere to American norms.
The best antonym will depend on the specific context and the intended meaning of "Americanized."