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Tidal wave in Irish (Borrthonn): Meaning, Pronunciation, Usage

The Irish for tidal wave is borrthonn, a feminine noun (plural borrthonnta).
Updated October 2026Report a mistake

How to say “tidal wave” in Irish

Irish:
borrthonn
English:
tidal wave
Word type:
noun
Gender:
feminine
Pronunciation:
“BOR-hun”  /ˈbˠoɾˠhoːn̪ˠ/
Various forms
Plural:
borrthonnta (tidal waves)
Genitive singular:
borrthoinne, na borrthoinne (e.g. neart na borrthoinne, the force of the tidal wave)
Genitive plural:
borrthonnta, na mborrthonnta (e.g. contúirt na mborrthonnta, the danger of the tidal waves)

What does “borrthonn” mean?

tidal wave
A huge swelling wave of the sea, such as one caused by an earthquake or a strong tide.Also: tsunami, giant wave, surge wave.

“Borrthonn” with the article

The plural of tidal wave in Irish is borrthonnta. Here is borrthonn after the article (an t-alt), in the singular and the plural.

an bhorrthonn
the tidal wave
Lenition: b becomes bh after an (feminine noun)
na borrthonnta
the tidal waves
Plural: no change after na

“Borrthonn” in a sentence: Irish examples

Common Irish sentences using borrthonn, the Irish word for tidal wave.

Bhuail borrthonn an cósta go tobann.
A tidal wave suddenly struck the coast.
Scrios an bhorrthonn na tithe ar fad.
The tidal wave destroyed all the houses.
Theith na daoine roimh an mborrthonn.
The people fled before the tidal wave.
Bhí airde na borrthoinne thar deich méadar.
The height of the tidal wave was over ten metres.
Is minic a leanann borrthonnta crith talún.
Tidal waves often follow an earthquake.
Báthadh na céadta sa bhorrthonn.
Hundreds were drowned in the tidal wave.
Tugadh rabhadh faoi bhorrthonn don oileán.
A tidal wave warning was given to the island.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tidal wave in Irish: frequently asked questions

What is the Irish for tidal wave?

The Irish for tidal wave is borrthonn (pronounced “BOR-hun”). It’s a feminine noun and the plural is borrthonnta.

How do you pronounce borrthonn in Irish?

Borrthonn is said like “BOR-hun” (IPA /ˈbˠoɾˠhoːn̪ˠ/).

What is the plural of tidal wave in Irish?

The plural of borrthonn is borrthonnta; with the article, na borrthonnta means “the tidal waves”. The genitive plural is borrthonnta, as in contúirt na mborrthonnta (the danger of the tidal waves).

Why does borrthonn change to bhorrthonn or mborrthonn?

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

How is 'borrthonn' different from 'tonn'?

'Tonn' is any ordinary wave, while 'borrthonn' is a huge swelling wave such as a tidal wave or tsunami; 'borr' means swelling.

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