HeyRua Get the app

Treachery in Irish (Feall): Meaning, Pronunciation, Usage

‘feall’ also means: failure

The Irish for treachery is feall, a masculine noun (plural feallanna).
Updated October 2026Report a mistake

How to say “treachery” in Irish

Irish:
feall
English:
treachery, failure
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“fyal”  /fʲal̪ˠ/
Various forms
Plural:
feallanna (treacheries)
Genitive singular:
fill, an fhill (e.g. lucht an fhill, the treacherous ones)
Genitive plural:
feallanna, na bhfeallanna (e.g. scéal na bhfeallanna, the story of the betrayals)

What does “feall” mean?

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

treachery
Betrayal of trust, a deceitful or treacherous act against someone.Also: betrayal, deceit, perfidy, foul play.
1 other meaning: failure
2failure
A letting down or failing, as when something or someone fails you.Also: letdown, default.

“Feall” with the article

The plural of treachery in Irish is feallanna. Here is feall after the article (an t-alt), in the singular and the plural.

an feall
the treachery
No change after an
na feallanna
the treacheries
Plural: no change after na

“Feall” in a sentence: Irish examples

Common Irish sentences using feall, the Irish word for treachery.

Rinne sé feall orm.
He betrayed me.
Ní dhéanfainn feall ar mo chara.
I would never betray my friend.
Filleann an feall ar an bhfeallaire.
Treachery returns on the traitor.
Bhí boladh an fhill ar an scéal.
The whole story smelled of treachery.
Níor dearmadadh na feallanna sin riamh.
Those betrayals were never forgotten.
Maraíodh é trí fheall.
He was killed treacherously.
Is mór an feall é sin.
That is a great pity.

Other nouns in Irish

More everyday Irish nouns to learn next.

Treachery in Irish: frequently asked questions

What is the Irish for treachery?

The Irish for treachery is feall (pronounced “fyal”). It’s a masculine noun and the plural is feallanna. Depending on context it can also mean failure.

How do you pronounce feall in Irish?

Feall is said like “fyal” (IPA /fʲal̪ˠ/).

What is the plural of treachery in Irish?

The plural of feall is feallanna; with the article, na feallanna means “the treacheries”. The genitive plural is feallanna, as in scéal na bhfeallanna (the story of the betrayals).

Does feall have more than one meaning?

Yes. Feall can mean treachery or failure, depending on context; the first is the most common.

Why does feall change to fheall or bhfeall?

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

How do I say someone betrayed me?

Use 'feall a dhéanamh ar', as in 'Rinne sé feall orm', he betrayed me.

What does 'Is feall é' mean?

It often means 'it is a pity', as in 'Is mór an feall nach dtiocfaidh sí', it is a great pity she won't come.

Learn Irish by
actually speaking it

Learn everyday Irish words like feall through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen