How to Say "will endure" in Spanish
The Spanish word for “will endure” is “durará” — A2 level. This is a very common word in everyday Spanish.

Examples
¿Cuánto tiempo durará el viaje a Madrid?
How long will the trip to Madrid last?
El efecto de esta pastilla solo durará unas pocas horas.
The effect of this pill will only last a few hours.
Esperemos que la batería durará más que la anterior.
Let's hope the battery will last longer than the previous one.
Future Tense Prediction
The 'ará' ending tells us that the action is definitely expected to happen later. This form is used for predictions about single things or people (like 'it,' 'she,' or 'he').
Stress on the Last Syllable
In all future tense forms, the stress is always on the last syllable, marked by the accent mark: du-ra-RÁ. This makes the meaning clear.
Confusing 'Durar' and 'Tardar'
Mistake: “Using 'tardará' when you mean 'will last.'”
Correction: Use 'durará' (will last/endure) for the total duration of something. Use 'tardará' (will take time) for how long a person or thing takes to arrive or complete a task.
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