1. A choice or decision that lacks good judgment or prudence; a poor or ill-advised picking of something from available options
Hiring him without checking references was an unwise selection that cost the company dearly.
Contratá-lo sem verificar referências foi uma seleção imprudente que custou caro à empresa.
2. The act of choosing something that is likely to have negative consequences
The committee's unwise selection of the venue led to attendance problems.
A seleção imprudente do local pela comissão causou problemas de comparecimento.