1. The unlawful act of holding, occupying, or controlling property, land, or goods without legal right or permission
The tenant was accused of illegal possession of the apartment after refusing to vacate.
O inquilino foi acusado de posse ilegal do apartamento após recusar-se a desocupá-lo.
2. Unauthorized occupation of land or property by individuals or groups without legal title or consent
The government took action against the illegal possession of public lands.
O governo tomou ações contra a posse ilegal de terras públicas.
3. Criminal holding of prohibited items or substances
He was convicted of illegal possession of weapons.
Ele foi condenado por posse ilegal de armas.