The prisoner lived in a desert of loneliness and regret.

P) Personification
S) Simile
H) Hyperbole
M) Metaphor
L) Literal
I) Idiom

1 answer

The sentence "The prisoner lived in a desert of loneliness and regret" is an example of M) Metaphor. It compares the feelings of loneliness and regret to a desert, suggesting a vast and barren emotional landscape without using "like" or "as," which would indicate a simile.