1. Insufficient support, funding, or endorsement for a project, idea, or person
The startup failed due to inadequate backing from investors.
A startup falhou devido ao apoio insuficiente dos investidores.
2. Lack of proper support or reinforcement in a physical or structural context
The wall collapsed because of inadequate backing behind the bricks.
A parede desabou devido ao apoio insuficiente atrás dos tijolos.