How to Say "argument" in Spanish
The most common Spanish word for “argument” is “discusión” — use this word for a heated or informal disagreement between people, like a quarrel or a spat.
discusión
Examples
Tuvieron una discusión fuerte sobre quién lavaría los platos.
They had a strong argument about who would wash the dishes.
debate
deh-BAH-tehdeˈbate

Examples
El debate presidencial duró dos horas sin interrupciones.
The presidential debate lasted two hours without interruptions.
Abrimos un debate sobre la mejor forma de aprender español.
We opened a discussion about the best way to learn Spanish.
Gender Reminder
Even though 'debate' ends in -e, it is masculine: 'el debate'. Most words ending in -e can be masculine or feminine, so you must memorize the gender.
Using 'la debate'
Mistake: “La debate fue muy interesante.”
Correction: El debate fue muy interesante. (Remember to use the masculine article 'el'.)
argumento
ar-goo-MEN-tohaɾɣuˈmento

Examples
Presentó un argumento muy sólido a favor del cambio climático.
He presented a very solid argument in favor of climate change.
Mi jefe no aceptó mis argumentos para llegar tarde.
My boss did not accept my reasons for being late.
Argumento vs. Discusión/Pelea
Mistake: “Using 'argumento' to mean a heated fight or dispute.”
Correction: Use 'discusión' or 'pelea' for a verbal fight. 'Argumento' means the *point* or *reason* you are presenting, not the conflict itself.
razonamiento
rrah-soh-nah-myehn-tohraθonaˈmjento

Examples
No sigo tu razonamiento en este punto.
I don't follow your reasoning on this point.
Su razonamiento lógico fue impecable durante el juicio.
His logical reasoning was flawless during the trial.
Es difícil entender el razonamiento detrás de esta decisión política.
It is difficult to understand the rationale behind this political decision.
The '-miento' Pattern
Words ending in '-miento' are almost always masculine and describe the result of an action. In this case, it's the result of 'razonar' (to reason).
Abstract Nouns
Even though this word is abstract, it still behaves like a normal object. You can have one 'razonamiento' or many 'razonamientos'.
Gender Error
Mistake: “la razonamiento”
Correction: el razonamiento (most nouns ending in -o are masculine).
Wrong Word Choice
Mistake: “Tengo un razonamiento para llegar tarde.”
Correction: Tengo una razón para llegar tarde. Use 'razón' for a simple cause, and 'razonamiento' for a logical process.
pelea
peh-LEH-ahpeˈle.a

Examples
Los niños tuvieron una pelea por el juguete.
The children had a fight over the toy.
Después de la pelea, no se hablaron por una semana.
After the argument, they didn't speak to each other for a week.
La vida es una pelea constante por nuestros sueños.
Life is a constant struggle for our dreams.
Using 'Tener una pelea'
To talk about a specific argument or fight that happened, you'll often use the phrase 'tener una pelea', which literally means 'to have a fight'. For example, 'Ayer tuve una pelea con mi jefe' (Yesterday I had an argument with my boss).
Fight vs. Struggle
Mistake: “Thinking 'pelea' only means a physical fight with fists.”
Correction: 'Pelea' is very flexible. It can be a verbal argument ('una pelea de pareja' - a couple's quarrel) or a metaphorical struggle ('la pelea contra la injusticia' - the fight against injustice).
tesis
TEH-seesˈtesis

Examples
La tesis principal del autor es que la tecnología nos aleja.
The author's main argument is that technology pulls us apart.
Sus planteamientos refuerzan la tesis de la evolución.
His explanations reinforce the theory of evolution.
Es difícil refutar una tesis tan bien fundamentada.
It is difficult to refute such a well-founded premise.
Abstract vs. Physical
In this context, 'tesis' refers to an idea or a thought, not a physical stack of papers.
discurso
dees-KOOR-sodisˈkuɾso

Examples
El discurso dominante en los medios ha cambiado drásticamente.
The dominant discourse (way of communicating/thinking) in the media has changed drastically.
Es difícil seguir el discurso lógico del filósofo.
It is difficult to follow the logical reasoning of the philosopher.
Abstract Meaning
When used in this sense, 'discurso' refers to the general structure or way of communicating ideas about a topic, not just a single talk. Think of it as the 'worldview' expressed through language.
Argument vs. Disagreement
Related Translations
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