Definitions of impoverish

1. deprive of status or authority; " he was divested of his rights and his title"; " They disinvested themselves of their rights"

2. To make poor; to reduce to poverty or indigence; as, misfortune and disease impoverish families.

3. To exhaust the strength, richness, or fertility of; to make sterile; as, to impoverish land.

4. To make poor: to exhaust the resources ( as of a nation), or fertility ( as of the soil).

5. To make poor; deteriorate.

6. To make poor; to exhaust or drain of resources or fertility.

7. To reduce to poverty; to make poor; to exhaust, as resources, or the fertility of land.

8. IMPOVERISHMENT.