How to Say "impartial" in Spanish
The most common Spanish word for “impartial” is “neutral” — use 'neutral' when referring to a state of not aligning with any particular side, often in political, military, or even sports contexts.
neutral
neh-oo-TRAHLnewˈtɾal

Examples
Suiza es conocida por ser un país neutral.
Switzerland is known for being a neutral country.
El árbitro debe ser totalmente neutral durante el partido.
The referee must be completely neutral during the match.
Intenté mantener una postura neutral en la discusión familiar.
I tried to maintain a neutral stance in the family argument.
One Form for All Genders
Unlike words that end in 'o' or 'a', 'neutral' stays the same whether you are talking about a man, a woman, or an object. You say 'el hombre neutral' and 'la mujer neutral'.
Making it Plural
Since this word ends in a consonant (l), you just add '-es' to make it plural: 'los países neutrales'.
Avoiding 'neutralo/neutrala'
Mistake: “La opinión es neutrala.”
Correction: La opinión es neutral. The word doesn't change its ending to match the 'a' in 'opinión'.
objetivo
ohb-heh-TEE-vohoβ.xeˈti.βo

Examples
El juez debe ser totalmente objetivo al considerar la evidencia.
The judge must be totally objective when considering the evidence.
Ella siempre da una opinión objetiva de la situación.
She always gives an objective (factual) opinion of the situation.
Es difícil ser objetivo cuando se trata de tu propia familia.
It is difficult to be objective when it concerns your own family.
Agreement is Key
As an adjective, 'objetivo' must change its ending to match the noun it describes. Say 'una perspectiva objetiva' (feminine) and 'un informe objetivo' (masculine).
Ignoring gender agreement
Mistake: “Una decisión objetivo.”
Correction: Una decisión objetiva. (Since 'decisión' is feminine, the adjective must end in '-a'.)
Neutral vs. Objetivo
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