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"Rapid" is an adjective which is often translated as "rápido", and "speedy" is an adjective which is also often translated as "rápido". Learn more about the difference between "rapid" and "speedy" below.
rapid(
rah
-
pihd
)An adjective is a word that describes a noun (e.g., the big dog).
1. (quick)
a. rápido
We can't kayak in the river because the current is too rapid.No podemos hacer kayak en el río porque la corriente es demasiado rápida.
b. veloz
Adding an enzyme to the vial will make for a much more rapid chemical reaction.Añadir una enzima al frasco hará que la reacción química sea mucho más veloz.
rapids
A plural noun indicates that there is more than one person, place, thing, or idea.
a. los rápidos (M)
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
During our vacation, we went rafting on the whitewater rapids.Durante las vacaciones, fuimos a hacer rafting por rápidos de aguas bravas.
speedy(
spi
-
di
)An adjective is a word that describes a noun (e.g., the big dog).
2. (fast)
a. rápido
I think we're going to need a speedier internet connection in the office.Creo que vamos a necesitar una conexión a internet más rápida en la oficina.
b. veloz
Our boss was happy with the speedy progress we made on the project.A nuestro jefe le alegró el progreso veloz que logramos con el proyecto.
