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Traffic light in Irish (Tráchtsolas): Meaning, Pronunciation, Usage

The Irish for traffic light is tráchtsolas, a masculine noun (plural tráchtsoilse).
Updated October 2026Report a mistake

How to say “traffic light” in Irish

Irish:
tráchtsolas
English:
traffic light
Word type:
noun
Gender:
masculine
Pronunciation:
“TRAWKHT-sul-us”  /ˈt̪ˠɾˠaːxt̪ˠˌsˠʊl̪ˠəsˠ/
Various forms
Plural:
tráchtsoilse (traffic lights)
Genitive singular:
tráchtsolais, an tráchtsolais (e.g. dath an tráchtsolais, the colour of the traffic light)
Genitive plural:
tráchtsoilse, na dtráchtsoilse (e.g. córas na dtráchtsoilse, the traffic light system)

What does “tráchtsolas” mean?

traffic light
A set of coloured lights at a road junction or crossing that controls the flow of traffic.Also: traffic lights, traffic signal, stoplight.

“Tráchtsolas” with the article

The plural of traffic light in Irish is tráchtsoilse. Here is tráchtsolas after the article (an t-alt), in the singular and the plural.

an tráchtsolas
the traffic light
No change after an
na tráchtsoilse
the traffic lights
Plural: no change after na

“Tráchtsolas” in a sentence: Irish examples

Common Irish sentences using tráchtsolas, the Irish word for traffic light.

Stop ag an tráchtsolas.
Stop at the traffic light.
Tá an tráchtsolas dearg anois.
The traffic light is red now.
Cas ar dheis ag na tráchtsoilse.
Turn right at the traffic lights.
Bhí na tráchtsoilse briste ar maidin.
The traffic lights were broken this morning.
Tá tráchtsolas nua ar an gcearnóg.
There's a new traffic light on the square.
D'athraigh an tráchtsolas go glas.
The traffic light changed to green.
Fan go mbeidh an tráchtsolas glas.
Wait until the traffic light is green.

Other nouns in Irish

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Traffic light in Irish: frequently asked questions

What is the Irish for traffic light?

The Irish for traffic light is tráchtsolas (pronounced “TRAWKHT-sul-us”). It’s a masculine noun and the plural is tráchtsoilse.

How do you pronounce tráchtsolas in Irish?

Tráchtsolas is said like “TRAWKHT-sul-us” (IPA /ˈt̪ˠɾˠaːxt̪ˠˌsˠʊl̪ˠəsˠ/).

What is the plural of traffic light in Irish?

The plural of tráchtsolas is tráchtsoilse; with the article, na tráchtsoilse means “the traffic lights”. The genitive plural is tráchtsoilse, as in córas na dtráchtsoilse (the traffic light system).

Why does tráchtsolas change to thráchtsolas or dtráchtsolas?

Irish changes the start of some words after certain words. After mo (my) tráchtsolas becomes mo thráchtsolas (lenition), and after ár (our) or i (in) it becomes ár dtráchtsolas (eclipsis).

Is 'tráchtsolas' used in the singular or plural for a set of traffic lights?

Both are heard: English often says 'the traffic lights', and Irish commonly uses the plural 'na tráchtsoilse', but 'an tráchtsolas' is fine for a single signal.

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