1. Describing a specific market or area of expertise:
* The company found a niche in the market for sustainable clothing made from recycled materials.
* Her research focused on a very specific niche within the field of astrophysics.
2. Describing a suitable position or role:
* He found his niche as a freelance writer after years of working in corporate communications.
* The new employee quickly found his niche within the team, becoming the go-to person for technical problems.
3. Describing a small, secluded place:
* The quaint little cafe was tucked away in a niche in the bustling city.
* They built a cozy niche in the wall of the living room to hold their books.
4. Describing an ecological role:
* The spotted owl occupies a specific niche in the forest ecosystem.
* Each species plays a crucial niche in maintaining the balance of the natural world.