HeyRua Get the app

Trinity in Irish (Tríonóid): Meaning, Pronunciation, Usage

The Irish for Trinity is Tríonóid, a feminine noun.
Updated October 2026Report a mistake

How to say “Trinity” in Irish

Irish:
Tríonóid
English:
Trinity
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“TREE-uh-nohd”  /ˈtʲɾʲiːənˠoːdʲ/
Various forms
Genitive singular:
Tríonóide, na Tríonóide (e.g. Domhnach na Tríonóide, Trinity Sunday)

What does “Tríonóid” mean?

Trinity
In Christian belief, the union of Father, Son and Holy Spirit as one God; usually 'an Tríonóid', the Holy Trinity.Also: Holy Trinity, the Trinity.

“Tríonóid” with the article

Here is Tríonóid after the article (an t-alt).

an Tríonóid
the Trinity
No change: d and t are not lenited after an

“Tríonóid” in a sentence: Irish examples

Common Irish sentences using Tríonóid, the Irish word for Trinity.

Creideann Críostaithe sa Tríonóid Naofa.
Christians believe in the Holy Trinity.
Mhínigh an sagart an Tríonóid do na páistí.
The priest explained the Trinity to the children.
Bhain Pádraig úsáid as an tseamróg chun an Tríonóid a mhíniú.
Patrick used the shamrock to explain the Trinity.
Is rúndiamhair í an Tríonóid.
The Trinity is a mystery.
Bíonn Aifreann speisialta ann Domhnach na Tríonóide.
There is a special Mass on Trinity Sunday.
Rinne sé staidéar ar fhoirceadal na Tríonóide.
He studied the doctrine of the Trinity.
Tá pictiúr den Tríonóid ar an bhfuinneog.
There is a picture of the Trinity on the window.

Other nouns in Irish

More everyday Irish nouns to learn next.

Trinity in Irish: frequently asked questions

What is the Irish for Trinity?

The Irish for Trinity is Tríonóid (pronounced “TREE-uh-nohd”). It’s a feminine noun.

How do you pronounce Tríonóid in Irish?

Tríonóid is said like “TREE-uh-nohd” (IPA /ˈtʲɾʲiːənˠoːdʲ/).

Does Tríonóid have a plural?

No. Tríonóid is a name, so it is used in the singular only.

Why does Tríonóid change to Thríonóid or dTríonóid?

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

How do I say Trinity College in Irish?

Trinity College Dublin is 'Coláiste na Tríonóide', using the genitive 'Tríonóide'.

Learn Irish by
actually speaking it

Learn everyday Irish words like Tríonóid through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen