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Completion in Irish (Comhlánú): Meaning, Pronunciation, Usage

‘comhlánú’ also means: complement

The Irish for completion is comhlánú, a masculine noun (plural comhlánuithe). Ag comhlánú is completing, from the verb comhlánaigh.
Updated October 2026Report a mistake

How to say “completion” in Irish

Irish:
comhlánú
English:
completion, complement
Word type:
noun (verbal noun)
Verbal noun of:
comhlánaigh, to complete (ag comhlánú, completing)
Gender:
masculine
Pronunciation:
“KOH-law-noo”  /ˈkoːl̪ˠaːn̪ˠuː/
Various forms
Plural:
comhlánuithe (completions)
Genitive singular:
comhlánaithe, an chomhlánaithe (e.g. dáta comhlánaithe an tionscadail, the project's completion date)
Genitive plural:
comhlánuithe, na gcomhlánuithe (e.g. dátaí na gcomhlánuithe, the dates of the completions)

What does “comhlánú” mean?

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

completion
The verbal noun of 'comhlánaigh': the act of completing or finishing something, or filling something out.Also: completing, filling in, fulfilment.
1 other meaning: complement
2complement
Something that completes or goes well with something else, also used in grammar and mathematics.Also: complementing, supplement.

Other Irish words for completion: críochnú (finishing)

“Comhlánú” as a verbal noun

After ag, comhlánú means completing: it is the verbal noun of the verb comhlánaigh (to complete). A noun that follows it goes into the genitive.

agat
+
comhlánúverbal noun
=
ag comhlánúcompleting

“Comhlánú” with the article

The plural of completion in Irish is comhlánuithe. Here is comhlánú after the article (an t-alt), in the singular and the plural.

an comhlánú
the completion
No change after an
na comhlánuithe
the completions
Plural: no change after na

“Comhlánú” in a sentence: Irish examples

Common Irish sentences using comhlánú, the Irish word for completion.

Tá comhlánú na foirme éigeantach.
Completing the form is compulsory.
Táimid ag súil le comhlánú na hoibre go luath.
We expect the work to be finished soon.
Cuireadh moill ar chomhlánú an tí.
The completion of the house was delayed.
Is é an dáta comhlánaithe an Aoine seo chugainn.
The completion date is next Friday.
Bhí an comhlánú níos deacra ná mar a cheapamar.
Finishing it was harder than we thought.
Is comhlánú foirfe é an fíon don bhéile.
The wine is a perfect complement to the meal.
Fuair sí teastas tar éis comhlánú an chúrsa.
She got a certificate after completing the course.

Other nouns in Irish

More everyday Irish nouns to learn next.

Completion in Irish: frequently asked questions

What is the Irish for completion?

The Irish for completion is comhlánú (pronounced “KOH-law-noo”). It’s a masculine noun and the plural is comhlánuithe. Depending on context it can also mean complement.

How do you pronounce comhlánú in Irish?

Comhlánú is said like “KOH-law-noo” (IPA /ˈkoːl̪ˠaːn̪ˠuː/).

What is the plural of completion in Irish?

The plural of comhlánú is comhlánuithe; with the article, na comhlánuithe means “the completions”. The genitive plural is comhlánuithe, as in dátaí na gcomhlánuithe (the dates of the completions).

Does comhlánú have more than one meaning?

Yes. Comhlánú can mean completion or complement, depending on context; the first is the most common.

Why does comhlánú change to chomhlánú or gcomhlánú?

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

How is 'comhlánú' different from 'críochnú'?

'Críochnú' is the everyday word for finishing something, while 'comhlánú' is more formal, often used for completing forms or making something whole.

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