General opposites:
* Superior: This is the most direct and common opposite of inferior.
* Better: This is a more general term that implies a higher quality or value.
* Excellent: This suggests a very high level of quality or performance.
Opposites in specific contexts:
* Higher: If referring to rank or position.
* Stronger: If referring to strength or ability.
* Advanced: If referring to development or sophistication.
* Important: If referring to value or significance.
The best opposite word to use will depend on the specific situation and what you are trying to convey.