1. to support or endorse the primary or main goal of something or someone
The committee decided to back the chief aim of reducing carbon emissions by 50% this decade.
O comitê decidiu apoiar o objetivo principal de reduzir as emissões de carbono em 50% nesta década.
2. to provide financial, moral, or political support to the foremost objective
Several investors agreed to back the chief aim of the startup's mission.
Vários investidores concordaram em apoiar o objetivo principal da missão da startup.