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Polluter in Irish (Truaillitheoir): Meaning, Pronunciation, Usage

‘truaillitheoir’ also means: corrupter

The Irish for polluter is truaillitheoir, a masculine noun (plural truaillitheoirí).
Updated October 2026Report a mistake

How to say “polluter” in Irish

Irish:
truaillitheoir
English:
polluter, corrupter
Word type:
noun
Gender:
masculine
Pronunciation:
“TROOL-ih-hoh-ir”  /ˈt̪ˠɾˠuəl̠ʲəhoːɾʲ/
Various forms
Plural:
truaillitheoirí (polluters)
Genitive singular:
truaillitheora, an truaillitheora (e.g. ainm an truaillitheora, the name of the polluter)
Genitive plural:
truaillitheoirí, na dtruaillitheoirí (e.g. ainmneacha na dtruaillitheoirí, the names of the polluters)

What does “truaillitheoir” mean?

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

polluter
A person, company or thing that pollutes or contaminates something, especially the environment.Also: contaminator.
1 other meaning: corrupter
2corrupter
A person who corrupts, defiles or debases someone or something.Also: defiler, debaser.

“Truaillitheoir” with the article

The plural of polluter in Irish is truaillitheoirí. Here is truaillitheoir after the article (an t-alt), in the singular and the plural.

an truaillitheoir
the polluter
No change after an
na truaillitheoirí
the polluters
Plural: no change after na

“Truaillitheoir” in a sentence: Irish examples

Common Irish sentences using truaillitheoir, the Irish word for polluter.

Is truaillitheoir mór í an mhonarcha sin.
That factory is a major polluter.
Ba chóir don truaillitheoir íoc as an damáiste.
The polluter should pay for the damage.
Gearradh fíneáil throm ar an truaillitheoir.
A heavy fine was imposed on the polluter.
Tá na truaillitheoirí is measa sa tionscal fuinnimh.
The worst polluters are in the energy industry.
Níor aimsíodh ainm an truaillitheora go fóill.
The polluter's name has not been found yet.
Caithfear smacht a chur ar thruaillitheoirí na habhann.
The polluters of the river must be brought under control.
Is truaillitheoir é an plaisteach san fharraige.
Plastic is a pollutant in the sea.

Other nouns in Irish

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Polluter in Irish: frequently asked questions

What is the Irish for polluter?

The Irish for polluter is truaillitheoir (pronounced “TROOL-ih-hoh-ir”). It’s a masculine noun and the plural is truaillitheoirí. Depending on context it can also mean corrupter.

How do you pronounce truaillitheoir in Irish?

Truaillitheoir is said like “TROOL-ih-hoh-ir” (IPA /ˈt̪ˠɾˠuəl̠ʲəhoːɾʲ/).

What is the plural of polluter in Irish?

The plural of truaillitheoir is truaillitheoirí; with the article, na truaillitheoirí means “the polluters”. The genitive plural is truaillitheoirí, as in ainmneacha na dtruaillitheoirí (the names of the polluters).

Does truaillitheoir have more than one meaning?

Yes. Truaillitheoir can mean polluter or corrupter, depending on context; the first is the most common.

Why does truaillitheoir change to thruaillitheoir or dtruaillitheoir?

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

What is the difference between truaillitheoir and truailleán?

Truaillitheoir is usually the one who pollutes, such as a company, while truailleán is the polluting substance itself. The principle 'the polluter pays' uses truaillitheoir.

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