rápidos
/RRAH-pee-dohs/
fast

This illustration shows a rabbit moving fast (rápido).
rápidos(Adjective)
fast
?referring to speed or movement
,quick
?referring to time or action
swift
?often used poetically or for nature
📝 In Action
Los guepardos son animales muy rápidos.
A1Cheetahs are very fast animals.
Necesitamos métodos más rápidos para resolver este problema.
B1We need quicker methods to solve this problem.
Ellos son rápidos para aprender cosas nuevas.
A2They are quick to learn new things.
💡 Grammar Points
Adjective Agreement
As an adjective, 'rápidos' must agree with the noun it describes. Use 'rápidos' when the noun is masculine and plural (e.g., 'los trenes').
❌ Common Pitfalls
Forgetting Plural Agreement
Mistake: "Los carros rápido."
Correction: Los carros rápidos. (Remember the 's' on the adjective to match the plural noun.)
⭐ Usage Tips
The Base Form
The base form is 'rápido.' The plural forms are 'rápidos' (masculine) and 'rápidas' (feminine).

A section of a river where the water flows quickly is called rapids (rápidos).
📝 In Action
Hicimos rafting en los rápidos del río Baker.
B1We went rafting in the rapids of the Baker River.
Cruzar esos rápidos requiere mucha experiencia.
B2Crossing those rapids requires a lot of experience.
💡 Grammar Points
Always Plural
When referring to the moving water in a river, 'rápidos' is almost always used in the plural form, just like 'rapids' in English.
❌ Common Pitfalls
Using the Singular Noun
Mistake: "El rápido es peligroso."
Correction: Los rápidos son peligrosos. (Use the plural noun form for this geographical feature.)
⭐ Usage Tips
Context is Key
If you are talking about a river or adventure sports, 'rápidos' means the churning water. If you are talking about cars or people, it means 'fast'.
✏️ Quick Practice
💡 Quick Quiz: rápidos
Question 1 of 1
Which sentence uses 'rápidos' as a noun?
📚 More Resources
Frequently Asked Questions
If 'rápido' means fast, why is the noun 'rapids' plural?
This is similar to English! When we talk about the section of the river where the water moves fast, we use the plural form 'rapids' (or 'whitewater'). Spanish follows the same pattern, using 'los rápidos' to describe this location.