How to Say "will kill" in Spanish
The Spanish word for “will kill” is “matará” — B1 level. This is a very common word in everyday Spanish.

Examples
Si sigue trabajando así, el estrés lo matará.
If he keeps working like this, the stress will kill him (exhaust him).
Ella dice que la tristeza la matará si no regresa pronto.
She says the sadness will kill her if he doesn't return soon.
El veneno matará a las plagas en menos de una hora.
The poison will kill the pests in less than an hour.
The Future Tense (Futuro Simple)
The 'matará' form is used to talk about actions that will definitely happen later. It's built by adding the ending '-á' directly to the whole verb (matar + á).
Who is 'matará'?
This form refers to a singular third person: 'él' (he), 'ella' (she), 'usted' (formal you), or 'eso' (it). For example, 'El calor matará a las plantas' (The heat will kill the plants).
Confusing Future with Near Future
Mistake: “Using 'Va a matar' when you mean a definite, distant future.”
Correction: While 'va a matar' (going to kill) is more common in spoken Spanish, 'matará' is better for formal predictions or distant future events.
Related Translations
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