This is the 6868th most frequent French word.
limitless
Without boundaries or end; infinite.
The term 'sans limites' here conveys that the possibilities have no boundaries or restrictions.
Les possibilités sont sans limites.
The possibilities are limitless.
'Sans limites' is describing the seemingly boundless nature of her energy.
Son énergie semble infinie et sans limites.
Her energy seems infinite and limitless.
This usage emphasizes the boundless or unrestricted potential of dreams when combined with courage.