1. A suggestion or plan whose merit, validity, or appropriateness is doubtful or open to debate
The manager's questionable proposal to cut salaries by 50% was rejected by the board.
A proposta questionável do gerente de cortar salários em 50% foi rejeitada pela diretoria.
2. A suggestion that raises ethical, legal, or practical concerns
That's a questionable proposal for handling customer data without proper consent.
Essa é uma proposta questionável para lidar com dados de clientes sem consentimento adequado.