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How to Say "rational" in Spanish

The most common Spanish word for “rational” is “lógico” — use 'lógico' when referring to something that is based on reason or makes sense in a logical, cause-and-effect way..

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lógico

adjectiveA2general
Use 'lógico' when referring to something that is based on reason or makes sense in a logical, cause-and-effect way.

Examples

Es lógico que necesitemos más tiempo para terminar el proyecto.

It is logical that we need more time to finish the project.

razonable

rah-thoh-NAH-bleh (Spain) / rah-soh-NAH-bleh (L. Am.)/raθoˈnaβle/

adjectiveB1general
Use 'razonable' when describing a person's behavior, attitude, or proposal as sensible, fair, or moderate.
A simplified cartoon figure successfully placing the final block on a stable, perfectly balanced structure, indicating a sensible and well-thought-out approach.

Examples

Su explicación sobre el retraso fue muy razonable.

His explanation for the delay was very sensible.

Necesitamos llegar a un acuerdo razonable para ambas partes.

We need to reach a reasonable agreement for both parties.

Agreement

Since 'razonable' ends in -e, it stays the same whether the noun is masculine (el acuerdo razonable) or feminine (la propuesta razonable). Just add -s for plural.

Confusing with 'Rational'

Mistake: “Using 'racional' when you mean 'sensible' or 'fair price'.”

Correction: 'Racional' usually refers to thinking process or math. Use 'razonable' for fairness and general sensibility.

Lógico vs. Razonable

The most common mistake is using 'lógico' when you mean 'sensible' or 'fair'. Remember, 'lógico' focuses on reason and deduction, while 'razonable' describes something or someone as fair, moderate, or sensible in their actions or proposals.

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