Spanish vocabulary · Beginner
Traffic Light in Spanish: Semáforo
Semáforo · noun · seh-MAH-foh-roh
Semáforo is the universal Spanish word for traffic light, used consistently across Spain and Latin America. Unlike English, which uses a compound noun describing the object's function, Spanish uses a single word rooted in Greek that originally meant signal bearer. Semáforo is one of those terms with no significant regional alternatives, making it easy to learn once and use everywhere.
Pronounce semáforo as seh-MAH-foh-roh, with stress on the second syllable. It is an esdrújula word (stressed on the antepenultimate syllable), so it always carries a written accent.
El semáforo cambió a rojo justo cuando íbamos a cruzar.
The traffic light turned red just as we were about to cross.
Traffic Light in Spanish: Quick Reference
Below are the most common Spanish words for traffic light, with pronunciation and regional usage notes.
| Spanish | English | Pronunciation | Region / Register |
|---|---|---|---|
| semáforo | traffic light | seh-MAH-foh-roh | Default, widely understood |
| luz de tráfico | traffic light | occasionally heard but semáforo is overwhelmingly preferred |
How Native Speakers Use Semáforo
Real example sentences across three contexts you'll actually run into.
Driving directions
Da vuelta a la derecha en el segundo semáforo.
Turn right at the second traffic light.
Semáforo is the go-to landmark when giving driving directions in Spanish.
Pedestrian context
Espera a que el semáforo esté en verde antes de cruzar la calle.
Wait for the traffic light to be green before crossing the street.
Estar en verde, rojo, or amarillo describes the traffic light's current state.
Traffic problem
El semáforo de esa esquina lleva descompuesto tres días.
The traffic light on that corner has been broken for three days.
Descompuesto (out of order) is the common word for a malfunctioning traffic light.
Avoid These Mistakes When Using Semáforo
Translating literally as luz de tráfico
Incorrect: La luz de tráfico está en amarillo.
Correct: El semáforo está en amarillo.
While luz de tráfico is understandable, virtually no native speaker uses this phrase. Semáforo is the only natural and universal term across the entire Spanish-speaking world.
Wrong gender
Incorrect: La semáforo está descompuesta.
Correct: El semáforo está descompuesto.
Semáforo is masculine, so it takes the article el and masculine adjectives. The -o ending is a reliable clue to its masculine gender.
Lock in Traffic Light Vocabulary with the Parrot Method
Why word lists alone don't stick
Memorizing a translation feels productive, but most learners forget 70% of what they studied within 48 hours. Vocabulary needs spaced repetition AND real-world exposure to transfer to long-term memory.
See Semáforo used by native speakers
Parrot's short-form videos feature native speakers using semáforo in real situations. Context-based exposure beats flashcards, you hear El semáforo cambió a rojo justo cuando íbamos a cruzar. while watching someone live the moment, connecting meaning, sound, and rhythm at once.
Save, review, repeat, stay consistent
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Common Questions About Traffic Light in Spanish
- How do you say traffic light in Spanish?
- Traffic light in Spanish is semáforo, a single word used uniformly across all Spanish-speaking countries. There are no significant regional alternatives, making it one of the simplest vocabulary terms to learn for describing urban infrastructure.
- Where does the word semáforo come from?
- Semáforo derives from Greek roots: sema (sign or signal) and phoros (bearer or carrier). Originally it referred to any signaling device, including maritime signals. Over time, Spanish narrowed its everyday usage to mean traffic light specifically.
- How do you describe traffic light colors in Spanish?
- Traffic light colors in Spanish are verde (green), amarillo (yellow), and rojo (red). The phrase el semáforo está en verde means the light is green, and cambió a rojo means it changed to red. Yellow is sometimes called ámbar in formal or technical traffic engineering contexts.