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“Ar” in Irish (on): Meaning and Prepositional Pronouns

Ar means on. Joined to a pronoun it becomes one word: orm (ar + me). These one-word forms are called prepositional pronouns, forainmneacha réamhfhoclacha.
Updated October 2026Report a mistake

What does “ar” mean?

1on
Shows that something is resting on top of something else, like a cup on a table.Also: on top of, upon.
2on (feelings and states)
Used to say that a feeling, illness or state is 'on' a person, as in hunger, fear or a cold.Also: feel, be hungry, be afraid, have a cold.
3must, owe
Used to say that someone has to do something or owes something.Also: have to, must, owe.

Pronounced “er” /ɛɾʲ/.

“Ar” with pronouns

In Irish you never say “ar mé”. The preposition and the pronoun fuse into one word. Learn these 7 forms and you can use ar with anyone. Click a form for its own page.

PronounIrishMeaningExample
mé (me)ormon meTá ocras orm anois.I am hungry now.
tú (you)orton youAn bhfuil tuirse ort?Are you tired?
sé (him / it)airon him / itTá slaghdán air inniu.He has a cold today.
sí (her / it)uirthion her / itTá eagla uirthi roimh mhadraí.She is afraid of dogs.
sinn (us)orainnon usTá deifir mhór orainn inniu.We are in a big hurry today.
sibh (you (plural))oraibhon you (plural)An bhfuil fuacht oraibh?Are you all cold?
siad (them)orthuon themTá áthas mór orthu inniu.They are very happy today.

“Ar” before a noun

Ar lenites the next word (séimhiú): the first letter takes an h, ar bhord.

ar bhord
on a table
Lenition (séimhiú) of the next word
ar an mbord
on the table
With the article, ar an eclipses the noun; d and t do not change
ar na boird
on the tables
Plural: ar na, no change

No lenition in general statements such as ar meisce (drunk), ar díol (for sale).

Tá cupán ar an mbord sa chistin.
There is a cup on the table in the kitchen.
Tá an leabhar ar an mbord.
The book is on the table.
Chuir sí na plátaí ar na boird.
She put the plates on the tables.

Everyday phrases with “ar”

Tá ocras orm.
I am hungry.
Tá brón orm.
I am sorry.
Tá orm imeacht.
I have to go.
Cad atá ort?
What's wrong with you?

The other prepositions

Every simple preposition has its own set of pronoun forms.

“Ar” in Irish: frequently asked questions

What does ar mean in Irish?

ar means on. With a pronoun it becomes one word: orm (on me), ort (on you), air (on him / it).

What is the Irish for on me?

orm. The preposition ar and the pronoun mé fuse into one word; this is a prepositional pronoun (forainm réamhfhoclach).

Does ar change the next word?

Ar lenites the next word (séimhiú): the first letter takes an h, ar bhord. No lenition in general statements such as ar meisce (drunk), ar díol (for sale).

How do I say I am hungry or I am afraid in Irish?

In Irish a feeling is 'on' you, so you use ar: Tá ocras orm means 'I am hungry' and Tá eagla orm means 'I am afraid'.

How do I say I have to do something?

Use tá with a form of ar and the verbal noun: Tá orm imeacht means 'I have to go'.

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