Originally Posted by TheLegacy

In summary, your "best + premium keyword" domain won't automatically give you a ranking advantage or a penalty. Its success will depend on the overall quality of your website and your comprehensive SEO strategy.

EMDs are no longer a magic bullet
Content and user experience are key
Not necessarily a penalty, but not a direct ranking factor
Potential benefits (indirect)
Increased clicks
User understanding
Focus on a holistic SEO strategy

you'll want to focus on:
High-quality, relevant content
Excellent user experience
Strong backlink profile