Direct opposites:
* Unoriginality: This emphasizes the lack of new or unique ideas.
* Stagnation: This suggests a lack of growth, development, and change.
* Conformity: This highlights following existing norms and avoiding individuality.
Other related words:
* Imitation: This emphasizes copying existing work instead of generating new ideas.
* Routine: This suggests a lack of spontaneity and deviation from established patterns.
* Uninspired: This implies a lack of passion or motivation for new ideas.
* Banality: This focuses on the common and uninteresting nature of ideas.
The best antonym for "creativity" will depend on the specific situation and what aspect of creativity you want to contrast.