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Undercurrent in Irish (Foshruth): Meaning, Pronunciation, Usage

The Irish for undercurrent is foshruth, a masculine noun (plural foshruthanna).
Updated October 2026Report a mistake

How to say “undercurrent” in Irish

Irish:
foshruth
English:
undercurrent
Word type:
noun
Gender:
masculine
Pronunciation:
“FOH-hruh”  /ˈfˠɔhɾˠʊ/
Various forms
Plural:
foshruthanna (undercurrents)
Genitive singular:
foshrutha, an fhoshrutha (e.g. neart an fhoshrutha, the strength of the undercurrent)
Genitive plural:
foshruthanna, na bhfoshruthanna (e.g. contúirt na bhfoshruthanna, the danger of the undercurrents)

What does “foshruth” mean?

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

undercurrent
A current of water flowing beneath the surface, often in a different direction from the surface flow.Also: underflow, undertow.
1 other meaning:
2undercurrent
A hidden feeling or tendency beneath what is openly shown.Also: hidden feeling, underlying tendency.

“Foshruth” with the article

The plural of undercurrent in Irish is foshruthanna. Here is foshruth after the article (an t-alt), in the singular and the plural.

an foshruth
the undercurrent
No change after an
na foshruthanna
the undercurrents
Plural: no change after na

“Foshruth” in a sentence: Irish examples

Common Irish sentences using foshruth, the Irish word for undercurrent.

Tá foshruth láidir sa chuan seo.
There is a strong undercurrent in this harbour.
Tharraing an foshruth an snámhaí amach.
The undercurrent pulled the swimmer out.
Ná téigh ag snámh, mar gheall ar an bhfoshruth.
Don't go swimming, because of the undercurrent.
Bhraith mé neart an fhoshrutha faoi mo chosa.
I felt the strength of the undercurrent under my feet.
Bíonn foshruthanna contúirteacha ar an trá sin.
There are dangerous undercurrents on that beach.
Bhí foshruth feirge ina chuid cainte.
There was an undercurrent of anger in his talk.
Thug an garda tarrthála rabhadh faoi na foshruthanna.
The lifeguard gave a warning about the undercurrents.

Other nouns in Irish

More everyday Irish nouns to learn next.

Undercurrent in Irish: frequently asked questions

What is the Irish for undercurrent?

The Irish for undercurrent is foshruth (pronounced “FOH-hruh”). It’s a masculine noun and the plural is foshruthanna.

How do you pronounce foshruth in Irish?

Foshruth is said like “FOH-hruh” (IPA /ˈfˠɔhɾˠʊ/).

What is the plural of undercurrent in Irish?

The plural of foshruth is foshruthanna; with the article, na foshruthanna means “the undercurrents”. The genitive plural is foshruthanna, as in contúirt na bhfoshruthanna (the danger of the undercurrents).

Why does foshruth change to fhoshruth or bhfoshruth?

Irish changes the start of some words after certain words. After mo (my) foshruth becomes m'fhoshruth (lenition), and after ár (our) or i (in) it becomes ár bhfoshruth (eclipsis).

How is 'foshruth' formed?

It combines the prefix 'fo-' (under, sub-) with 'sruth' (current, stream), which is lenited after the prefix, giving 'foshruth'.

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