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

Examples
Ella corre con mucha rapidez.
She runs with great speed.
La rapidez de la respuesta me sorprendió.
The quickness of the answer surprised me.
En este trabajo, la rapidez es tan importante como la calidad.
In this job, speed is just as important as quality.
Always Feminine
In Spanish, nouns that end in '-ez' like 'rapidez' or 'niñez' are almost always feminine, so always use 'la' or 'una'.
Making an Adverb
You can often use 'con rapidez' (with speed) as a more formal way to say 'rápidamente' (quickly).
Wrong Gender
Mistake: “el rapidez”
Correction: la rapidez (words ending in -ez are feminine).
Confusing with the Adjective
Mistake: “Él es rapidez.”
Correction: Él es rápido (rápido describes a person, rapidez is the concept of speed itself).
Related Translations
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