Dictionary:

impoverished

  (ĭm-pŏv'ər-ĭsht, -pŏv'rĭsht)

1. Reduced to poverty; poverty-stricken. See synonyms at poor.
2. Deprived of natural richness or strength; limited or depleted: an impoverished vocabulary; a region impoverished by drought.

adjective

1. Having little or no money or wealth: beggarly, destitute, down-and-out, impecunious, indigent, necessitous, needy, penniless, penurious, poor, poverty-stricken. Informal broke, strapped. Idioms: hard up, on one's uppers. See rich/poor.
2. Economically and socially below standard: backward, depressed, deprived, disadvantaged, underprivileged. See rich/poor.

Definition: poor, exhausted
Antonyms: enriched, full, plentiful, rich, wealthy

The adjective has 2 meanings:

Meaning #1: poor enough to need help from others
  Synonyms: destitute, indigent, necessitous, needy, poverty-stricken

Meaning #2: destroyed financially
  Synonyms: broken, wiped out