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Lie in Irish (Bréag): Meaning, Pronunciation, Usage

‘bréag’ also means: deception

The Irish for lie is bréag, a feminine noun (plural bréaga).
Updated October 2026Report a mistake

How to say “lie” in Irish

Irish:
bréag
English:
lie, deception
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“bree-ug”  /bʲɾʲiəɡ/
Various forms
Plural:
bréaga (lies)
Genitive singular:
bréige, na bréige (e.g. ainm bréige, a false name)
Genitive plural:
bréag, na mbréag (e.g. ag insint bréag, telling lies)

What does “bréag” mean?

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

lie
Something said that the speaker knows is not true.Also: falsehood, untruth, fib.
1 other meaning: deception
2deception
Falseness or deceit; in the genitive it often means false or fake, as in 'ainm bréige'.Also: deceit, falseness, fake.

Other Irish words for lie: luigh (lie)

“Bréag” with the article

The plural of lie in Irish is bréaga. Here is bréag after the article (an t-alt), in the singular and the plural.

an bhréag
the lie
Lenition: b becomes bh after an (feminine noun)
na bréaga
the lies
Plural: no change after na

“Bréag” in a sentence: Irish examples

Common Irish sentences using bréag, the Irish word for lie.

Sin bréag mhór.
That's a big lie.
Ná bí ag insint bréag.
Don't be telling lies.
D'inis sé bréag mhór don mhúinteoir.
He told the teacher a big lie.
Chláraigh sí faoi ainm bréige.
She registered under a fake name.
Níl ann ach bréaga ó thús deireadh.
It's nothing but lies from start to finish.
Fuarthas amach an bhréag sa deireadh.
The lie was found out in the end.
Níor inis mé bréag riamh duit.
I never told you a lie.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lie in Irish: frequently asked questions

What is the Irish for lie?

The Irish for lie is bréag (pronounced “bree-ug”). It’s a feminine noun and the plural is bréaga. Depending on context it can also mean deception.

How do you pronounce bréag in Irish?

Bréag is said like “bree-ug” (IPA /bʲɾʲiəɡ/).

What is the plural of lie in Irish?

The plural of bréag is bréaga; with the article, na bréaga means “the lies”. The genitive plural is bréag, as in ag insint bréag (telling lies).

Does bréag have more than one meaning?

Yes. Bréag can mean lie or deception, depending on context; the first is the most common.

Why does bréag change to bhréag or mbréag?

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

What is the difference between 'bréag' and 'éitheach'?

Both mean a lie, but 'bréag' is the everyday word; 'éitheach' is more literary or used in phrases like 'thug tú d'éitheach' (you lied).

How do I say 'fake' or 'false' using this word?

Use the genitive after a noun: 'fiacla bréige' (false teeth), 'ainm bréige' (false name). The prefix 'bréag-' also works, as in 'bréagchairde'.

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