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Certifier in Irish (Deimhnitheoir): Meaning, Pronunciation, Usage

The Irish for certifier is deimhnitheoir, a masculine noun (plural deimhnitheoirí).
Updated October 2026Report a mistake

How to say “certifier” in Irish

Irish:
deimhnitheoir
English:
certifier
Word type:
noun
Gender:
masculine
Pronunciation:
“DEV-nee-hore”  /ˈdʲevʲnʲiˌhoːrʲ/
Various forms
Plural:
deimhnitheoirí (certifiers)
Genitive singular:
deimhnitheora, an deimhnitheora (e.g. síniú an deimhnitheora, the certifier's signature)
Genitive plural:
deimhnitheoirí, na ndeimhnitheoirí (e.g. sínithe na ndeimhnitheoirí, the certifiers' signatures)

What does “deimhnitheoir” mean?

certifier
A person or body that officially certifies or confirms that something is true, valid or meets a standard.Also: certifying officer, verifier, attester.

“Deimhnitheoir” with the article

The plural of certifier in Irish is deimhnitheoirí. Here is deimhnitheoir after the article (an t-alt), in the singular and the plural.

an deimhnitheoir
the certifier
No change after an
na deimhnitheoirí
the certifiers
Plural: no change after na

“Deimhnitheoir” in a sentence: Irish examples

Common Irish sentences using deimhnitheoir, the Irish word for certifier.

Is deimhnitheoir oifigiúil é don chomhlacht.
He is an official certifier for the company.
Chuir an deimhnitheoir a ainm leis an bhfoirm.
The certifier signed the form.
Tá stampa an deimhnitheora ar an doiciméad.
The certifier's stamp is on the document.
Ceapadh beirt deimhnitheoirí nua i mbliana.
Two new certifiers were appointed this year.
Ní mór don deimhnitheoir an obair a sheiceáil.
The certifier must check the work.
Bhí na deimhnitheoirí sásta leis na torthaí.
The certifiers were satisfied with the results.
Labhair mé leis an deimhnitheoir inné.
I spoke to the certifier yesterday.

Other nouns in Irish

More everyday Irish nouns to learn next.

Certifier in Irish: frequently asked questions

What is the Irish for certifier?

The Irish for certifier is deimhnitheoir (pronounced “DEV-nee-hore”). It’s a masculine noun and the plural is deimhnitheoirí.

How do you pronounce deimhnitheoir in Irish?

Deimhnitheoir is said like “DEV-nee-hore” (IPA /ˈdʲevʲnʲiˌhoːrʲ/).

What is the plural of certifier in Irish?

The plural of deimhnitheoir is deimhnitheoirí; with the article, na deimhnitheoirí means “the certifiers”. The genitive plural is deimhnitheoirí, as in sínithe na ndeimhnitheoirí (the certifiers' signatures).

Why does deimhnitheoir change to dheimhnitheoir or ndeimhnitheoir?

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

How is deimhnitheoir related to deimhniú?

Deimhnitheoir is the agent noun from the verb deimhnigh 'certify, confirm', whose verbal noun is deimhniú; a teastas or deimhniú is the certificate the deimhnitheoir issues.

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