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

Examples
Este vino complementa muy bien el sabor del queso.
This wine complements the flavor of the cheese very well.
Debemos complementar nuestra dieta con más frutas y verduras.
We should supplement our diet with more fruits and vegetables.
Sus habilidades técnicas complementan mi experiencia en ventas.
His technical skills round out my sales experience.
Using 'con' to show addition
When you want to say what you are adding to make something better, always use the word 'con' (with). For example: 'Complemento el café con leche'.
Reflexive use for pairs
When two things go well together, use the reflexive form 'se complementan' (they complement each other). It's like saying they finish each other's sentences!
The 'I' vs 'E' Trap
Mistake: “Using 'complimentar' to mean matching or adding.”
Correction: Use 'complementar' for things that go together. 'Complimentar' is an older word for giving compliments or filling out forms, but 'complementar' is what you need for 'making complete'.
Don't confuse with 'Completar'
Mistake: “Using 'completar' when you mean 'to enhance'.”
Correction: Use 'completar' to finish a task that isn't done yet. Use 'complementar' to take something that is already good and make it even better by adding something else.
Related Translations
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