cierro
/SYEH-rroh/
I close

A hand closing a door to illustrate 'cierro' (I close).
cierro(verb)
I close
?shutting a door, window, or lid
,I shut down
?closing a business for the day or permanently
I turn off
?closing a tap or faucet to stop water flow
,I lock
?securing something so it cannot be opened
📝 In Action
Yo cierro la puerta con llave todas las noches.
A1I lock the door with a key every night.
Cierro la tienda a las ocho de la tarde.
A1I close the shop at eight in the evening.
Si hace frío, cierro la ventana.
A1If it is cold, I close the window.
💡 Grammar Points
The 'Growing I' Rule
For this verb, the letter 'e' changes to 'ie' whenever you stress that syllable. This happens in the 'I' form (cierro), but not in the 'we' form (cerramos).
❌ Common Pitfalls
Cierro vs. Cerro
Mistake: "Using 'cerro' to mean 'I close'."
Correction: Use 'cierro'. 'Cerro' (without the i) actually means a hill!
⭐ Usage Tips
Stopping the Flow
Use 'cierro' for things like taps (faucets) and gas valves, just like you would use 'turn off' in English.

A fenced area representing 'cierro' as an enclosure.
cierro(noun)
enclosure
?a fenced-in area or property boundary
fence
?a physical barrier around land
📝 In Action
El cierro de la finca es de piedra antigua.
B2The enclosure of the estate is made of ancient stone.
🔄 Conjugations
subjunctive
imperfect
present
indicative
preterite
imperfect
present
✏️ Quick Practice
💡 Quick Quiz: cierro
Question 1 of 1
How do you say 'I close the window' in Spanish?
📚 More Resources
Frequently Asked Questions
Does 'cierro' ever mean 'zip up'?
Yes, you can use 'cierro' when talking about zipping up a jacket (cierro la cremallera).
What is the difference between 'cierro' and 'cerro'?
'Cierro' means 'I close'. 'Cerro' means 'a hill'. They sound similar, so the 'i' is very important!