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Waste in Irish (Diomailt): Meaning, Pronunciation, Usage

‘diomailt’ also means: wasteful act

The Irish for waste is diomailt, a feminine noun (plural diomailtí). Ag diomailt is wasting, from the verb diomail.
Updated October 2026Report a mistake

How to say “waste” in Irish

Irish:
diomailt
English:
waste, wasteful act
Word type:
noun (verbal noun)
Verbal noun of:
diomail, to waste (ag diomailt, wasting)
Gender:
feminine, second declension
Pronunciation:
“JUM-al-tch”  /ˈdʲʊmˠəlʲtʲ/
Various forms
Plural:
diomailtí (wastes)
Genitive singular:
diomailte, na diomailte (e.g. cosc na diomailte, the prevention of waste)
Genitive plural:
diomailtí, na ndiomailtí (e.g. cosc na ndiomailtí, the prevention of wasteful practices)

What does “diomailt” mean?

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

waste
The act of wasting or squandering something such as money, time or food; it is the verbal noun of the verb 'diomail'.Also: wasting, squandering, wastefulness, extravagance.
1 other meaning: wasteful act
2wasteful act
An instance of waste or extravagant spending.Also: extravagance, squander.

Other Irish words for waste: dramhaíl (waste), vásta (waste), diomail (waste)

“Diomailt” as a verbal noun

After ag, diomailt means wasting: it is the verbal noun of the verb diomail (to waste). A noun that follows it goes into the genitive.

agat
+
diomailtverbal noun
=
ag diomailtwasting

“Diomailt” with the article

The plural of waste in Irish is diomailtí. Here is diomailt after the article (an t-alt), in the singular and the plural.

an diomailt
the waste
No change: d and t are not lenited after an
na diomailtí
the wastes
Plural: no change after na

“Diomailt” in a sentence: Irish examples

Common Irish sentences using diomailt, the Irish word for waste.

Is mór an diomailt airgid é sin.
That's a big waste of money.
Ní maith liom diomailt bia.
I don't like wasting food.
Ba dhiomailt ama an cruinniú sin.
That meeting was a waste of time.
Caithfimid deireadh a chur leis an diomailt.
We have to put an end to the waste.
Tá an rialtas cáinte as diomailt airgid phoiblí.
The government is criticised for wasting public money.
Rinneadh go leor diomailte le blianta beaga anuas.
There was a lot of waste in recent years.
Is fuath léi aon chineál diomailte.
She hates any kind of waste.

Other nouns in Irish

More everyday Irish nouns to learn next.

Waste in Irish: frequently asked questions

What is the Irish for waste?

The Irish for waste is diomailt (pronounced “JUM-al-tch”). It’s a feminine noun and the plural is diomailtí. Depending on context it can also mean wasteful act.

How do you pronounce diomailt in Irish?

Diomailt is said like “JUM-al-tch” (IPA /ˈdʲʊmˠəlʲtʲ/).

What is the plural of waste in Irish?

The plural of diomailt is diomailtí; with the article, na diomailtí means “the wastes”. The genitive plural is diomailtí, as in cosc na ndiomailtí (the prevention of wasteful practices).

Does diomailt have more than one meaning?

Yes. Diomailt can mean waste or wasteful act, depending on context; the first is the most common.

Why does diomailt change to dhiomailt or ndiomailt?

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

What is the difference between 'diomailt' and 'dramhaíl'?

'Diomailt' is the act of wasting something, as in 'diomailt ama' (a waste of time), while 'dramhaíl' means waste material or rubbish.

Is there a common alternative to 'diomailt'?

Yes, 'cur amú' is very common in speech, as in 'cur amú ama' (a waste of time).

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