devour

verb

1. To eat quickly, greedily, hungrily, or ravenously.
2. To rapidly destroy, engulf, or lay waste.“The fire was devouring the building.”
3. To take in avidly with the intellect or with one's gaze.“She intended to devour the book.”
4. To absorb or engross the mind fully, especially in a destructive manner.“After the death of his wife, he was devoured by grief.”