1. A pledge, promise, or dedication that is weakening, becoming less certain, or showing signs of failure
The company's faltering commitment to sustainability raised concerns among investors.
O compromisso vacilante da empresa com a sustentabilidade preocupou os investidores.
2. A dedication or obligation that is losing strength or determination
His faltering commitment to the project became evident when he stopped attending meetings.
Seu compromisso vacilante com o projeto ficou evidente quando parou de comparecer às reuniões.