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Foolish in Irish (pleidhciúil): Meaning, Forms, Examples

Other uses of ‘pleidhciúil’: playful

The Irish for foolish is pleidhciúil: buachaill pleidhciúil, a foolish boy.
Updated October 2026Report a mistake

How to say “foolish” in Irish

Irish:
pleidhciúil
English:
foolish, playful
Word type:
adjective
More foolish:
níos pleidhciúla
Most foolish:
is pleidhciúla
Plural:
pleidhciúla
Pronunciation:
“PLY-koo-il”  /ˈpˠlʲəiçuːlʲ/

What does “pleidhciúil” mean?

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

foolish
Acting in a silly, foolish or clownish way.Also: silly, clownish, daft, giddy.
1 other meaning: playful
2playful
Fond of messing about and playing the fool.Also: messing, frivolous.

Other Irish adjectives for foolish: seafóideach (silly), amaideach (foolish), díchéillí (senseless), amadánta (foolish)

“Pleidhciúil” after a noun

An Irish adjective comes after its noun. Here is pleidhciúil after buachaill (boy, masculine), after bean (woman, feminine) and after a plural.

after a masculine nounbuachaill pleidhciúila foolish boy
after a feminine nounbean phleidhciúila foolish woman
after a plural nounbuachaillí pleidhciúlafoolish boys

séimhiú (the h) the ending

feminine
beanwoman
+
pleidhciúilfoolish
=
bean phleidhciúila foolish woman

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bean phleidhciúil. After a masculine noun it stays as it is: buachaill pleidhciúil.

plural
buachaillíboys
+
pleidhciúlafoolish, plural
=
buachaillí pleidhciúlafoolish boys

With a plural noun the adjective takes its plural form, pleidhciúla. It also gets an h after a plural that ends in a slender consonant; after other plurals it does not: mná pleidhciúla.

More foolish, most foolish, very foolish

níosmore
+
pleidhciúlafoolish
=
níos pleidhciúlamore foolish
ismost
+
pleidhciúlafoolish
=
is pleidhciúlamost foolish

Tá sé níos pleidhciúla ná a dheartháir. He is sillier than his brother.

more foolishníos pleidhciúlain the past tense: ní ba phleidhciúla
most foolishis pleidhciúlain the past tense: ba phleidhciúla
as foolish aschomh pleidhciúil leno change after chomh
very foolishan-phleidhciúilan- lenites, except d, t and s
too foolishróphleidhciúilró- lenites

“Pleidhciúil” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Is buachaill pleidhciúil é Seán.
Seán is a silly boy.
Bhí cailín pleidhciúil sa rang.
There was a silly girl in the class.
Bhí na páistí pleidhciúla ag gáire.
The silly children were laughing.
Tá sé níos pleidhciúla ná a dheartháir.
He is sillier than his brother.
Tá tú an-phleidhciúil inniu.
You are very silly today.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Foolish in Irish: frequently asked questions

What is the Irish for foolish?

The Irish for foolish is pleidhciúil (pronounced “PLY-koo-il”). It comes after the noun: buachaill pleidhciúil, a foolish boy; bean phleidhciúil, a foolish woman.

How do you say more foolish and most foolish in Irish?

níos pleidhciúla is more foolish and is pleidhciúla is most foolish. In the past tense they become ní ba phleidhciúla and ba phleidhciúla.

Why does pleidhciúil become phleidhciúil?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean phleidhciúil (a foolish woman) but buachaill pleidhciúil (a foolish boy), because buachaill is masculine.

What is the plural of pleidhciúil?

With a plural noun pleidhciúil becomes pleidhciúla: buachaillí pleidhciúla, mná pleidhciúla.

How do you say very foolish in Irish?

an-phleidhciúil. Too foolish is róphleidhciúil, and as foolish as is chomh pleidhciúil le.

Does pleidhciúil have more than one meaning?

Yes. Pleidhciúil can mean foolish or playful, depending on context; the first is the most common.

How is pleidhciúil related to pleidhce?

The noun pleidhce means a fool or a messer, and pleidhciúil describes someone acting like one. The related noun pleidhcíocht means messing or foolery.

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