1. A building, framework, or construction that is physically strong, stable, and firmly built with durable materials
The old fortress was a solid structure that withstood centuries of warfare.
A antiga fortaleza era uma estrutura sólida que resistiu a séculos de guerras.
2. In engineering and architecture, a framework or support system designed to bear loads and maintain integrity under stress
The bridge's solid structure ensures safety for heavy traffic.
A estrutura sólida da ponte garante segurança para o tráfego pesado.
3. Figuratively, a stable and reliable system, organization, or foundation
The company has a solid structure that allows for growth.
A empresa tem uma estrutura sólida que permite crescimento.