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Weeds in Irish (Lustan): Meaning, Pronunciation, Usage

‘lustan’ also means: weed

The Irish for weeds is lustan, a masculine noun.
Updated October 2026Report a mistake

How to say “weeds” in Irish

Irish:
lustan
English:
weeds, weed
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“LUS-tun”  /ˈl̪ˠʊsˠt̪ˠən̪ˠ/
Various forms
Genitive singular:
lustain, an lustain (e.g. baint an lustain, pulling the weeds)

What does “lustan” mean?

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

weeds
A mass of weeds or rank vegetation growing where it is not wanted.Also: weed growth, rank vegetation, undergrowth.
1 other meaning: weed
2weed
A single weed or worthless plant.Also: worthless plant.

Other Irish words for weeds: fiaile (weed)

“Lustan” with the article

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

an lustan
the weeds
No change after an

“Lustan” in a sentence: Irish examples

Common Irish sentences using lustan, the Irish word for weeds.

Tá an gairdín lán de lustan.
The garden is full of weeds.
Chaith mé an mhaidin ag baint an lustain.
I spent the morning pulling the weeds.
Tá lustan ag fás i measc na bprátaí.
Weeds are growing among the potatoes.
Ní fhásann an t-arbhar i gceart sa lustan.
The corn doesn't grow properly in the weeds.
Ghlan sí an lustan ón gcosán.
She cleared the weeds from the path.
Tá mo ghort faoi lustan arís.
My field is overgrown with weeds again.
Dhóigh siad an lustan ag bun an ghairdín.
They burned the weeds at the bottom of the garden.

Other nouns in Irish

More everyday Irish nouns to learn next.

Weeds in Irish: frequently asked questions

What is the Irish for weeds?

The Irish for weeds is lustan (pronounced “LUS-tun”). It’s a masculine noun. Depending on context it can also mean weed.

How do you pronounce lustan in Irish?

Lustan is said like “LUS-tun” (IPA /ˈl̪ˠʊsˠt̪ˠən̪ˠ/).

Does lustan have a plural?

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

Does lustan have more than one meaning?

Yes. Lustan can mean weeds or weed, depending on context; the first is the most common.

What is the difference between 'lustan' and 'fiaile'?

'Fiaile' is the most common general word for weeds, while 'lustan' refers to weed growth or rank vegetation and is somewhat less frequent. Both can be used for a weedy garden.

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