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Dementia in Irish (Néaltrú): Meaning, Pronunciation, Usage

‘néaltrú’ also means: clouding

The Irish for dementia is néaltrú, a masculine noun.
Updated October 2026Report a mistake

How to say “dementia” in Irish

Irish:
néaltrú
English:
dementia, clouding
Word type:
noun
Gender:
masculine
Pronunciation:
“NAYL-truu”  /ˈnʲeːl̪ˠt̪ˠɾˠuː/
Various forms
Genitive singular:
néaltraithe, an néaltraithe (e.g. comharthaí néaltraithe, symptoms of dementia)

What does “néaltrú” mean?

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

dementia
A medical condition, usually in older people, in which memory and the ability to think gradually get worse.Also: senility, memory loss.
1 other meaning: clouding
2clouding
The verbal noun of 'néaltraigh', the act of clouding or becoming clouded, including the clouding or dimming of the mind.Also: clouding over, dimming.

“Néaltrú” with the article

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

an néaltrú
the dementia
No change after an

“Néaltrú” in a sentence: Irish examples

Common Irish sentences using néaltrú, the Irish word for dementia.

Tá néaltrú ar mo sheanmháthair le cúpla bliain.
My grandmother has had dementia for a couple of years.
Is galar uafásach é an néaltrú.
Dementia is a terrible disease.
D'oibrigh sí in ionad cúraim néaltraithe.
She worked in a dementia care centre.
Bíonn caillteanas cuimhne ar dhaoine le néaltrú.
People with dementia suffer memory loss.
Tá taighde nua ar siúl ar chúiseanna an néaltraithe.
New research is being done on the causes of dementia.
Thug an dochtúir le fios gur néaltrú a bhí air.
The doctor indicated that he had dementia.
Tá tacaíocht ar fáil do theaghlaigh atá ag plé le néaltrú.
Support is available for families dealing with dementia.

Other nouns in Irish

More everyday Irish nouns to learn next.

Dementia in Irish: frequently asked questions

What is the Irish for dementia?

The Irish for dementia is néaltrú (pronounced “NAYL-truu”). It’s a masculine noun. Depending on context it can also mean clouding.

How do you pronounce néaltrú in Irish?

Néaltrú is said like “NAYL-truu” (IPA /ˈnʲeːl̪ˠt̪ˠɾˠuː/).

Does néaltrú have a plural?

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

Does néaltrú have more than one meaning?

Yes. Néaltrú can mean dementia or clouding, depending on context; the first is the most common.

Is 'néaltrú' the word used for Alzheimer's disease?

No, 'néaltrú' means dementia in general; Alzheimer's is usually called 'galar Alzheimer', which is one type of néaltrú.

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