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Capacity in Irish (Toilleadh): Meaning, Pronunciation, Usage

‘toilleadh’ also means: volume

The Irish for capacity is toilleadh, a masculine noun. Ag toilleadh is fitting, from the verb toill.
Updated October 2026Report a mistake

How to say “capacity” in Irish

Irish:
toilleadh
English:
capacity, volume
Word type:
noun (verbal noun)
Verbal noun of:
toill, to fit (ag toilleadh, fitting)
Gender:
masculine
Pronunciation:
“TIL-yoo”  /ˈt̪ˠɪl̠ʲə/
Various forms
Genitive singular:
toillte, an toillte (e.g. tomhas toillte, measure of capacity)

What does “toilleadh” mean?

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

capacity
The amount that something can hold or contain.Also: volume, room, holding capacity.
1 other meaning: volume
2volume
The amount of space that a container or object takes up, as measured in units.Also: cubic capacity, content.

“Toilleadh” as a verbal noun

After ag, toilleadh means fitting: it is the verbal noun of the verb toill (to fit). A noun that follows it goes into the genitive.

agat
+
toilleadhverbal noun
=
ag toilleadhfitting

“Toilleadh” with the article

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

an toilleadh
the capacity
No change after an

“Toilleadh” in a sentence: Irish examples

Common Irish sentences using toilleadh, the Irish word for capacity.

Cén toilleadh atá san umar seo?
What is the capacity of this tank?
Tá toilleadh míle duine sa halla.
The hall holds a thousand people.
Líonadh an staid go dtí a toilleadh.
The stadium was filled to capacity.
Is aonad toillte coitianta é lítear.
A litre is a common unit of volume.
Tá an toilleadh scríofa ar an mbuidéal.
The capacity is written on the bottle.
Níl a dhóthain toillte sa charr dúinn uile.
There isn't enough room in the car for all of us.
Ríomh toilleadh an bhosca sa rang mata.
Calculate the volume of the box in maths class.

Other nouns in Irish

More everyday Irish nouns to learn next.

Capacity in Irish: frequently asked questions

What is the Irish for capacity?

The Irish for capacity is toilleadh (pronounced “TIL-yoo”). It’s a masculine noun. Depending on context it can also mean volume.

How do you pronounce toilleadh in Irish?

Toilleadh is said like “TIL-yoo” (IPA /ˈt̪ˠɪl̠ʲə/).

Does toilleadh have a plural?

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

Does toilleadh have more than one meaning?

Yes. Toilleadh can mean capacity or volume, depending on context; the first is the most common.

Why does toilleadh change to thoilleadh or dtoilleadh?

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

Is toilleadh the same as acmhainn?

No: toilleadh is physical capacity or volume, how much something holds, while acmhainn means ability or resources, as in acmhainn airgid.

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