1. An illegal market where goods are bought and sold in violation of official regulations, often at inflated prices
During the war, people bought food on the black market because supplies were rationed.
Durante a guerra, as pessoas compravam comida no mercado negro porque os suprimentos eram racionados.
2. Illicit trade in restricted or banned goods
The authorities cracked down on the black market for counterfeit goods.
As autoridades reprimiram o mercado negro de bens falsificados.