1. statements or notifications that inform someone of a potential danger, problem, or consequence
The weather service issued multiple warnings about the incoming hurricane.
O serviço meteorológico emitiu vários avisos sobre o furacão que se aproxima.
2. cautions or notices given to alert someone before taking action or making a decision
The doctor gave her warnings about the side effects of the medication.
O médico lhe deu avisos sobre os efeitos colaterais do medicamento.
3. official notifications of disapproval or threat of punishment
He received three warnings before being fired from his job.
Ele recebeu três avisos antes de ser demitido do seu trabalho.