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Explosion in Irish (Madhmadh): Meaning, Pronunciation, Usage

‘madhmadh’ also means: rout

The Irish for explosion is madhmadh, a masculine noun (plural madhmthaí). Ag madhmadh is bursting, from the verb maidhm.
Updated October 2026Report a mistake

How to say “explosion” in Irish

Irish:
madhmadh
English:
explosion, rout
Word type:
noun (verbal noun)
Verbal noun of:
maidhm, to burst (ag madhmadh, bursting)
Gender:
masculine
Pronunciation:
“MAW-moo”  /ˈmˠəumˠəu/
Various forms
Plural:
madhmthaí (explosions)
Genitive singular:
madhmtha, an mhadhmtha (e.g. fuaim an mhadhmtha, the sound of the explosion)
Genitive plural:
madhmthaí, na madhmthaí (e.g. torann na madhmthaí, the noise of the explosions)

What does “madhmadh” mean?

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

explosion
The act of exploding or bursting suddenly; the verbal noun of the verb 'maidhm' (explode, burst).Also: bursting, detonation, eruption, blast.
1 other meaning: rout
2rout
A sudden breaking or routing, as of an army put to flight.Also: breaking, defeat.

Other Irish words for explosion: pléasc (explosion), pléascadh (explosion)

“Madhmadh” as a verbal noun

After ag, madhmadh means bursting: it is the verbal noun of the verb maidhm (to burst). A noun that follows it goes into the genitive.

agat
+
madhmadhverbal noun
=
ag madhmadhbursting

“Madhmadh” with the article

The plural of explosion in Irish is madhmthaí. Here is madhmadh after the article (an t-alt), in the singular and the plural.

an madhmadh
the explosion
No change after an
na madhmthaí
the explosions
Plural: no change after na

“Madhmadh” in a sentence: Irish examples

Common Irish sentences using madhmadh, the Irish word for explosion.

Chualamar madhmadh mór i lár na hoíche.
We heard a big explosion in the middle of the night.
Bhris an madhmadh fuinneoga na sráide.
The explosion broke the windows on the street.
Gortaíodh triúr sa mhadhmadh.
Three people were injured in the explosion.
Bhí fuaim an mhadhmtha le cloisteáil i bhfad ó bhaile.
The sound of the explosion could be heard far away.
Tharla sraith madhmthaí sa mhonarcha inné.
A series of explosions happened in the factory yesterday.
Níor tuigeadh cúis an mhadhmtha go fóill.
The cause of the explosion is not yet understood.
Cuireadh an milleán ar ghás as an madhmadh.
Gas was blamed for the explosion.

Other nouns in Irish

More everyday Irish nouns to learn next.

Explosion in Irish: frequently asked questions

What is the Irish for explosion?

The Irish for explosion is madhmadh (pronounced “MAW-moo”). It’s a masculine noun and the plural is madhmthaí. Depending on context it can also mean rout.

How do you pronounce madhmadh in Irish?

Madhmadh is said like “MAW-moo” (IPA /ˈmˠəumˠəu/).

What is the plural of explosion in Irish?

The plural of madhmadh is madhmthaí; with the article, na madhmthaí means “the explosions”. The genitive plural is madhmthaí, as in torann na madhmthaí (the noise of the explosions).

Does madhmadh have more than one meaning?

Yes. Madhmadh can mean explosion or rout, depending on context; the first is the most common.

Why does madhmadh change to mhadhmadh?

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

What is the difference between 'madhmadh' and 'pléascadh'?

Both mean explosion; 'pléascadh' is the more common everyday word, while 'madhmadh' is also used in technical and literary language, for example of a dam or bomb bursting.

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