1. A firm, reliable, and unwavering pledge or dedication to a person, cause, or obligation
The company demonstrated a solid commitment to environmental sustainability.
A empresa demonstrou um compromisso sólido com a sustentabilidade ambiental.
2. A strong and dependable promise that can be relied upon
His solid commitment to the project ensured its success.
Seu compromisso sólido com o projeto garantiu seu sucesso.