unparadise

verb2

1. •
   To make (something paradisaical) less like paradise; To spoil the joy of.

   • Could you, so rich in rapture, fear an end, That ghastly thought would drink up all your joy, And quite unparadise the realms of light. — 1742
2. •
   To expel from or prevent from entering heaven.

   • Archangels guard the gates with flaming swords, The same, 'tis said, who at an earlier day Did man unparadise — 1858