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Ostentation in Irish (Mustar): Meaning, Pronunciation, Usage

‘mustar’ also means: swagger · muster

The Irish for ostentation is mustar, a masculine noun (plural mustair).
Updated October 2026Report a mistake

How to say “ostentation” in Irish

Irish:
mustar
English:
ostentation, swagger, muster
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“MUS-tur”  /ˈmˠʊsˠt̪ˠəɾˠ/
Various forms
Plural:
mustair (ostentations)
Genitive singular:
mustair, an mhustair (e.g. lucht an mhustair, the show-offs)
Genitive plural:
mustar, na mustar (e.g. lucht na mustar, the show-offs)

What does “mustar” mean?

“Mustar” has three alternative meanings. The most common comes first.

ostentation
A showy display meant to impress others, often with self-importance.Also: display, show, pomp, flashiness.
2 other meanings: swagger or muster
2swagger
An arrogant, self-important manner or bearing.Also: arrogance, self-importance, conceit.
3muster
An assembly of people, especially troops, gathered for inspection or roll call.Also: assembly, roll call.

“Mustar” with the article

The plural of ostentation in Irish is mustair. Here is mustar after the article (an t-alt), in the singular and the plural.

an mustar
the ostentation
No change after an
na mustair
the ostentations
Plural: no change after na

“Mustar” in a sentence: Irish examples

Common Irish sentences using mustar, the Irish word for ostentation.

Bhí mustar mór air nuair a fuair sé an carr nua.
He was full of swagger when he got the new car.
Ní maith liom an mustar sin ar chor ar bith.
I don't like that showing off at all.
Tá sé lán de mhustar ó bhuaigh sé an duais.
He's been full of himself since he won the prize.
Ní raibh aon mhustar ag baint léi riamh.
There was never any pretentiousness about her.
Is mustar gan ghustal atá ann, dar liom.
In my view it's all show and no substance.
Tháinig sé isteach agus mustar air.
He came in with a swagger.
Bhí an bhainis lán de mhustar.
The wedding was full of show.

Other nouns in Irish

More everyday Irish nouns to learn next.

Ostentation in Irish: frequently asked questions

What is the Irish for ostentation?

The Irish for ostentation is mustar (pronounced “MUS-tur”). It’s a masculine noun and the plural is mustair. Depending on context it can also mean swagger or muster.

How do you pronounce mustar in Irish?

Mustar is said like “MUS-tur” (IPA /ˈmˠʊsˠt̪ˠəɾˠ/).

What is the plural of ostentation in Irish?

The plural of mustar is mustair; with the article, na mustair means “the ostentations”. The genitive plural is mustar, as in lucht na mustar (the show-offs).

Does mustar have more than one meaning?

Yes. Mustar can mean ostentation, swagger or muster, depending on context; the first is the most common.

Why does mustar change to mhustar?

After words like mo (my) and do (your) the first letter is lenited: mo mhustar. After ár (our) it stays ár mustar, because m does not take eclipsis.

What does 'mustar gan ghustal' mean?

It describes someone who puts on airs without the means to back them up, roughly 'all show and no substance'.

How do I say someone is showing off?

Use 'tá mustar air', literally 'there is swagger on him'.

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