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Folly in Irish (Baois): Meaning, Pronunciation, Usage

The Irish for folly is baois, a feminine noun (plural baoiseanna).
Updated October 2026Report a mistake

How to say “folly” in Irish

Irish:
baois
English:
folly
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“beesh”  /bˠiːʃ/
Various forms
Plural:
baoiseanna (follies)
Genitive singular:
baoise, na baoise (e.g. aimsir na baoise, the time of folly)
Genitive plural:
baoiseanna, na mbaoiseanna (e.g. cuimhní na mbaoiseanna, memories of the follies)

What does “baois” mean?

folly
Foolishness or silly, thoughtless behaviour, especially that of youth.Also: foolishness, silliness, giddiness, frivolity.

Other Irish words for folly: amaidí (foolishness)

“Baois” with the article

The plural of folly in Irish is baoiseanna. Here is baois after the article (an t-alt), in the singular and the plural.

an bhaois
the folly
Lenition: b becomes bh after an (feminine noun)
na baoiseanna
the follies
Plural: no change after na

“Baois” in a sentence: Irish examples

Common Irish sentences using baois, the Irish word for folly.

Ba mhór an bhaois é sin a dhéanamh.
It was great folly to do that.
Níl ann ach baois na hóige.
It is only youthful folly.
Ba bhaois dó an t-airgead ar fad a chaitheamh.
It was folly for him to spend all the money.
Rinne sí é le baois na hóige.
She did it out of youthful folly.
Is baois a bheith ag súil le míorúilt.
It is foolish to expect a miracle.
Chaill sé a chuid airgid le teann baoise.
He lost his money out of sheer folly.

Other nouns in Irish

More everyday Irish nouns to learn next.

Folly in Irish: frequently asked questions

What is the Irish for folly?

The Irish for folly is baois (pronounced “beesh”). It’s a feminine noun and the plural is baoiseanna.

How do you pronounce baois in Irish?

Baois is said like “beesh” (IPA /bˠiːʃ/).

What is the plural of folly in Irish?

The plural of baois is baoiseanna; with the article, na baoiseanna means “the follies”. The genitive plural is baoiseanna, as in cuimhní na mbaoiseanna (memories of the follies).

Why does baois change to bhaois or mbaois?

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

How is 'baois' different from 'amaidí'?

'Baois' suggests giddy, thoughtless folly, often linked to youth, as in 'baois na hóige'. 'Amaidí' is more general nonsense or foolish talk.

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