on words defined...

fervent - adj.
characterized by intense emotion; ardent love; an ardent lover; a torrid love affair

unbridled - adj.

(of feelings or behaviour) not restrained or controlled in any way: unbridled passion

impetuous - adj.

1. characterized by sudden and forceful energy or emotion; impulsive and passionate.

2. having or marked by violent force: impetuous, heaving waves.

passionate - adj.

1. showing intense sexual desire

2. capable of or revealing intense emotion: a passionate dialogue

flaming - adj.

1. on fire; ablaze.

2. intense; ardent: flaming passions.