impoverished

adjective

1. reduced to poverty.
2. (of a country, area, etc.) having few trees, flowers, birds, wild animals, etc.
3. deprived of strength, vitality, creativeness, etc.: an impoverished attempt at humor.

verb (used with object)

1. to reduce to poverty: a country impoverished by war.
2. to make poor in quality, productiveness, etc.; exhaust the strength or richness of: Bad farming practices impoverished the soil.

verb (tr)

1. to make poor or diminish the quality ofto impoverish society by cutting the grant to the arts
2. to deprive (soil, etc) of fertility