How to Say "determined" in Spanish
The most common Spanish word for “determined” is “decidido” — use 'decidido' to describe someone who has made up their mind and is resolute, often as a general character trait.
decidido
deh-see-DEE-dohde.θiˈði.ðo

Examples
Llegó al examen con una actitud muy decidida.
She arrived at the exam with a very determined attitude.
El presidente se mostró decidido a implementar los cambios.
The president showed himself to be resolute in implementing the changes.
Eres muy decidido, siempre sabes lo que quieres.
You are very determined; you always know what you want.
Adjective Agreement
Like all Spanish adjectives, 'decidido' must match the person or thing it describes in both gender and number: 'Ella es decidida' (She is determined) vs. 'Ellos son decididos' (They are determined).
determinado
deh-tehr-mee-NAH-dohdeteɾmiˈnaðo

Examples
Ella es una mujer muy determinada y valiente.
She is a very determined and brave woman.
Dio un paso determinado hacia la puerta.
He took a resolute step toward the door.
Using with 'Ser' vs 'Estar'
Use 'ser' if you are describing a person's character (they are a determined person). Use 'estar' if they have made up their mind about a specific goal right now.
empeñado
Examples
Juan está empeñado en aprender japonés este año.
Juan is determined to learn Japanese this year.
resuelto
reh-SWELL-tohreˈswelto

Examples
Su actitud resuelta impresionó a todos en la reunión.
His determined attitude impressed everyone at the meeting.
Necesitas ser más resuelta si quieres ser líder del equipo.
You need to be more resolute if you want to be the team leader.
Describing Character
When 'resuelto' describes a permanent personality trait (determined, decisive), you often use the verb 'ser' (to be): 'Ella es resuelta'.
firme
FEER-mehˈfiɾme

Examples
El director mantuvo una postura firme durante la negociación.
The director maintained a firm stance during the negotiation.
Necesitas ser firme con los niños para que te respeten.
You need to be firm with the children so they respect you.
luchador
loo-chah-DORlutʃaˈðoɾ

Examples
Juan es un hombre muy luchador; tiene tres trabajos.
Juan is a very hard-working man; he has three jobs.
Es un pueblo luchador que siempre sale adelante.
It is a determined community that always moves forward.
Para tener éxito en los negocios, hay que ser luchador.
To be successful in business, you have to be persistent.
Describing people
When using 'luchador' as an adjective, it always follows the person you are describing. For example: 'un hombre luchador'.
Don't confuse with 'fighting'
Mistake: “Saying 'él es luchador' to mean he is currently fighting someone.”
Correction: Use 'luchador' to describe a personality trait. If he is physically fighting right now, use the verb 'luchando'.
Decidido vs. Determinado
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