How to Say "active" in Spanish
The most common Spanish word for “active” is “activo” — use 'activo' when referring to someone being busy, engaged in activities, or generally lively, especially when describing physical or mental engagement. It can also refer to the active voice in grammar.
activo
ahk-TEE-vohakˈti.βo

Examples
Mi abuelo todavía es muy activo y hace ejercicio todos los días.
My grandfather is still very active and exercises every day.
Necesitamos un plan activo para resolver el problema rápidamente.
We need an active plan to solve the problem quickly.
Ella es una ciudadana muy activa en su comunidad.
She is a very active citizen in her community.
En esta oración, el verbo está en voz activa.
In this sentence, the verb is in the active voice.
Adjective Agreement
Remember that 'activo' must match the thing it describes. If you are describing a female noun (like 'persona'), use 'activa'. If it's plural (like 'niños'), use 'activos'.
Grammar Use
When discussing grammar, 'voz activa' (active voice) means the person or thing doing the action is the main focus of the sentence.
Confusing Form
Mistake: “La persona está activo.”
Correction: La persona está activa. (Always match the gender of the noun.)
dinámica
Examples
Ella es una líder muy dinámica.
She is a very dynamic leader.
militante
mee-lee-TAHN-tehmiliˈtante

Examples
Él es un católico militante.
He is a practicing/active Catholic.
Tiene una actitud militante contra la injusticia.
She has an active/combative stance against injustice.
Su postura militante le ha traído algunos problemas.
His activist-like stance has brought him some problems.
Gender-Neutral Adjective
Adjectives ending in -e don't change for gender. You can say 'un hombre militante' or 'una mujer militante'.
Activo vs. Dinámico
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