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Customs in Irish (Custam): Meaning, Pronunciation, Usage

‘custam’ also means: custom

The Irish for customs is custam, a masculine noun.
Updated October 2026Report a mistake

How to say “customs” in Irish

Irish:
custam
English:
customs, custom
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KUS-tum”  /ˈkʊsˠt̪ˠəmˠ/
Various forms
Genitive singular:
custaim, an chustaim (e.g. teach an chustaim, the custom house)

What does “custam” mean?

“Custam” has two alternative meanings. The most common comes first.

customs
Duties or tolls charged on goods, and the service that collects them at a border or port.Also: customs duty, toll, tariff, duty.
1 other meaning: custom
2custom
The regular business given to a shop or trader by its customers.Also: patronage, trade, business.

“Custam” with the article

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

an custam
the customs
No change after an

“Custam” in a sentence: Irish examples

Common Irish sentences using custam, the Irish word for customs.

Bhí orainn custam a íoc ar an earra sin.
We had to pay customs on that item.
Stop an custam an leoraí ag an teorainn.
Customs stopped the lorry at the border.
Tá sé ag obair i dTeach an Chustaim.
He works in the Custom House.
Líon mé dearbhú custaim ag an aerfort.
I filled in a customs declaration at the airport.
Ardaíodh an dleacht chustaim ar thobac.
The customs duty on tobacco was raised.
Chaill an siopa a lán custaim nuair a d'oscail an t-ollmhargadh.
The shop lost a lot of custom when the supermarket opened.
Thug sí a custam don siopa beag i gcónaí.
She always gave her custom to the little shop.

Other nouns in Irish

More everyday Irish nouns to learn next.

Customs in Irish: frequently asked questions

What is the Irish for customs?

The Irish for customs is custam (pronounced “KUS-tum”). It’s a masculine noun. Depending on context it can also mean custom.

How do you pronounce custam in Irish?

Custam is said like “KUS-tum” (IPA /ˈkʊsˠt̪ˠəmˠ/).

Does custam have a plural?

No plural form is given for custam in the standard. Many abstract and mass nouns in Irish have no plural.

Does custam have more than one meaning?

Yes. Custam can mean customs or custom, depending on context; the first is the most common.

Why does custam change to chustam or gcustam?

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

Does 'custam' mean a custom in the sense of a tradition?

No. A tradition or habit is 'nós' or 'gnás'; 'custam' means customs duties or the custom a shop gets from customers.

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