1. The act or state of not providing necessary assistance, financial aid, or backing to someone or something
The failure to support the project led to its cancellation.
A falta de apoio ao projeto levou ao seu cancelamento.
2. Legal term: neglect or refusal to provide required maintenance or financial support to a dependent
He was charged with failure to support his minor children.
Ele foi acusado de abandono de família por falta de apoio aos filhos menores.
3. Lack of evidence or basis for a claim or argument
The failure to support the hypothesis with data was evident.
A falta de sustentação da hipótese com dados era evidente.