How to Say "industrious" in Spanish
The most common Spanish word for “industrious” is “trabajador” — use this masculine singular form when describing one male person or a group where the gender is mixed or unknown but grammatically masculine..
trabajador
trah-bah-hah-DOR/tɾaβaxaˈðoɾ/

Examples
Mi hermano es muy trabajador y siempre termina sus tareas a tiempo.
My brother is very hard-working and always finishes his tasks on time.
Los estudiantes más trabajadores obtuvieron las mejores notas.
The most diligent students got the best grades.
Adjective Agreement
Like most Spanish describing words, 'trabajador' must match the person or thing it describes in number (singular/plural) and gender (masculine/feminine). For example: 'una mujer trabajadora' (a hard-working woman).
Incorrect Plural Form
Mistake: “Saying 'trabajadores' for a singular noun, like 'el coche trabajadores'.”
Correction: Only add '-es' for plural: 'los coches son trabajadores' (if the cars were somehow diligent), but 'el coche es trabajador' (singular car).
trabajadora
/tra-ba-ha-DOR-ah//tɾaβaxaˈðoɾa/

Examples
Mi madre es la persona más trabajadora que conozco.
My mother is the most hard-working person I know.
Necesitamos contratar a una secretaria que sea muy trabajadora.
We need to hire a secretary who is very hard-working.
Matching Gender
Because this word ends in 'a', it specifically describes a woman, a girl, or any feminine object. If you were talking about a man, you would use 'trabajador'.
Using it for groups
Mistake: “Ellas son trabajadora.”
Correction: Ellas son trabajadoras. Remember to add an 's' if you are talking about more than one person.
trabajadores
trah-bah-hah-DOH-rehs/tɾaβaxaˈðoɾes/

Examples
Son estudiantes muy trabajadores y siempre entregan a tiempo.
They are very hardworking students and always hand things in on time.
Las hormigas son insectos extremadamente trabajadores.
Ants are extremely industrious insects.
Adjective Agreement
As an adjective, 'trabajadores' must match the number and gender of the noun it describes. Since it ends in '-es', it's describing a plural, masculine noun (or a mixed group).
Forgetting the Plural Ending
Mistake: “Ellos son trabajador. (Missing the agreement)”
Correction: Ellos son trabajadores. (The description must agree with the 'ellos'.)
Gender and Number Agreement
Related Translations
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