1. A boundary or restriction that is firm, severe, and must be strictly adhered to with no exceptions or flexibility
The government imposed a strict limit on carbon emissions.
O governo impôs um limite rigoroso sobre as emissões de carbono.
2. A maximum amount or extent that cannot be exceeded under any circumstances
There is a strict limit of 500 participants for the event.
Há um limite rigoroso de 500 participantes para o evento.