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Competitor in Irish (Iomaitheoir): Meaning, Pronunciation, Usage

The Irish for competitor is iomaitheoir, a masculine noun (plural iomaitheoirí).
Updated October 2026Report a mistake

How to say “competitor” in Irish

Irish:
iomaitheoir
English:
competitor
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“UM-ih-hoh-ir”  /ˈʊmˠəhoːɾʲ/
Various forms
Plural:
iomaitheoirí (competitors)
Genitive singular:
iomaitheora, an iomaitheora (e.g. ainm an iomaitheora, the competitor's name)
Genitive plural:
iomaitheoirí, na n-iomaitheoirí (e.g. liosta na n-iomaitheoirí, the list of competitors)

What does “iomaitheoir” mean?

competitor
A person or business that competes against others, for example in a contest, race or market.Also: contestant, rival, competing business.

Other Irish words for competitor: coimhlinteoir (competitor)

“Iomaitheoir” with the article

The plural of competitor in Irish is iomaitheoirí. Here is iomaitheoir after the article (an t-alt), in the singular and the plural.

an t-iomaitheoir
the competitor
Masculine nouns take t before a vowel after an
na hiomaitheoirí
the competitors
Plural: na adds h before a vowel

“Iomaitheoir” in a sentence: Irish examples

Common Irish sentences using iomaitheoir, the Irish word for competitor.

Bhí céad iomaitheoir sa rás inné.
There were a hundred competitors in the race yesterday.
Bhuaigh an t-iomaitheoir óg an chéad duais.
The young competitor won first prize.
Tá na hiomaitheoirí ag fanacht ag an líne tosaigh.
The competitors are waiting at the starting line.
Ghearr siad praghsanna chun iomaitheoirí a bhualadh.
They cut prices to beat competitors.
Ba é mo dheartháir an t-iomaitheoir ab fhearr.
My brother was the best competitor.
Thit uimhir an iomaitheora ar an talamh.
The competitor's number fell on the ground.
Is iomaitheoir láidir é sa mhargadh seo.
He is a strong competitor in this market.

Other nouns in Irish

More everyday Irish nouns to learn next.

Competitor in Irish: frequently asked questions

What is the Irish for competitor?

The Irish for competitor is iomaitheoir (pronounced “UM-ih-hoh-ir”). It’s a masculine noun and the plural is iomaitheoirí.

How do you pronounce iomaitheoir in Irish?

Iomaitheoir is said like “UM-ih-hoh-ir” (IPA /ˈʊmˠəhoːɾʲ/).

What is the plural of competitor in Irish?

The plural of iomaitheoir is iomaitheoirí; with the article, na hiomaitheoirí means “the competitors”. The genitive plural is iomaitheoirí, as in liosta na n-iomaitheoirí (the list of competitors).

Why does iomaitheoir sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-iomaitheoir (the competitor), a hiomaitheoir (her competitor), a n-iomaitheoir (their competitor), na hiomaitheoirí (the competitors).

What is the difference between iomaitheoir and iomaíocht?

Iomaitheoir is the person or company competing, while iomaíocht is competition itself, as in iomaíocht mhargaidh (market competition).

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