If you want to express different degrees of genuineness, you can use adverbs like:
* More genuine: This indicates a higher degree of genuineness than simply "genuine."
* Most genuine: This indicates the highest degree of genuineness.
You can also use other words to express similar meanings:
* Authentic
* Sincere
* Real
* True
For example, you could say:
* "He is more genuine than his brother."
* "She is the most genuine person I know."
* "This is an authentic antique."
* "Her smile was sincere and heartwarming."