1. a physical object or substance that is firm, hard, and maintains its shape
After the accident, the doctor advised him to eat something solid before taking medication.
Após o acidente, o médico aconselhou-o a comer algo sólido antes de tomar medicação.
2. something reliable, dependable, or substantial in nature
We need something solid to base our business plan on.
Precisamos de algo sólido para basear nosso plano de negócios.
3. a concrete achievement or result
The project finally produced something solid we could present to investors.
O projeto finalmente produziu algo sólido que poderíamos apresentar aos investidores.