How to Say "rigid" in Spanish
The Spanish word for “rigid” is “rígido” — B1 level. This is a very common word in everyday Spanish.

Examples
El plástico se vuelve rígido cuando se enfría.
The plastic becomes rigid when it cools down.
Me desperté con el cuello muy rígido.
I woke up with a very stiff neck.
El soporte debe ser rígido para aguantar el peso.
The support must be rigid to hold the weight.
Matching Gender and Number
This word must match the thing it describes. Change it to 'rígida' for feminine items, 'rígidos' for masculine plural, and 'rígidas' for feminine plural.
Using with 'Estar' vs 'Ser'
Use 'estar' if something is temporarily stiff (like a muscle) and 'ser' if it is a permanent quality (like a metal pipe).
Confusing it with 'Duro'
Mistake: “Using 'rígido' for a diamond because it's hard.”
Correction: Use 'duro' for hardness. Use 'rígido' when you mean it cannot bend or move easily.
Related Translations
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