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Firm, stable, or strong in structure or construction.
Les fondations de la maison sont solides.
The house's foundations are solid.
Can also describe something reliable or well-established.
Reliable or dependable in character or performance.
Il est un ami solide sur qui on peut compter.
He is a solid friend you can count on.
Often used to describe people or relationships.
Having a substantial or considerable amount or size.
Elle a fait un solide effort pour réussir.
She made a solid effort to succeed.
Can imply thoroughness or intensity.
'Solide' can describe physical objects or abstract concepts like trustworthiness.
Often used to describe things that are strong, reliable, or well-built.
From Latin 'solidus', meaning 'solid, whole, entire'.
Can be used both literally (physical strength) and figuratively (reliability).