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Ill-mannered in Irish (míbhéasach): Meaning, Forms, Examples

Other uses of ‘míbhéasach’: ill-behaved · improper

The Irish for ill-mannered is míbhéasach: buachaill míbhéasach, an ill-mannered boy.
Updated October 2026Report a mistake

How to say “ill-mannered” in Irish

Irish:
míbhéasach
English:
ill-mannered, ill-behaved, improper
Word type:
adjective
More ill-mannered:
níos míbhéasaí
Most ill-mannered:
is míbhéasaí
Plural:
míbhéasacha
Pronunciation:
“mee-VAY-sukh”  /ˈmʲiːvʲeːsˠəx/

What does “míbhéasach” mean?

“Míbhéasach” has three alternative meanings. The most common comes first.

ill-mannered
Having bad manners and behaving rudely towards others.Also: rude, impolite, bad-mannered, discourteous.
2 other meanings: ill-behaved or improper
2ill-behaved
Behaving badly, especially of a child.Also: badly behaved, naughty, unruly.
3improper
Not suitable or decent for the situation.Also: unseemly, indecent, inappropriate.

“Míbhéasach” after a noun

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

after a masculine nounbuachaill míbhéasachan ill-mannered boy
after a feminine nounbean mhíbhéasachan ill-mannered woman
after a plural nounbuachaillí míbhéasachaill-mannered boys

séimhiú (the h) the ending

feminine
beanwoman
+
míbhéasachill-mannered
=
bean mhíbhéasachan ill-mannered woman

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

plural
buachaillíboys
+
míbhéasachaill-mannered, plural
=
buachaillí míbhéasachaill-mannered boys

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

More ill-mannered, most ill-mannered, very ill-mannered

níosmore
+
míbhéasaíill-mannered
=
níos míbhéasaímore ill-mannered
ismost
+
míbhéasaíill-mannered
=
is míbhéasaímost ill-mannered

Tá sé níos míbhéasaí ná a dheartháir. He is ruder than his brother.

more ill-manneredníos míbhéasaíin the past tense: ní ba mhíbhéasaí
most ill-manneredis míbhéasaíin the past tense: ba mhíbhéasaí
as ill-mannered aschomh míbhéasach leno change after chomh
very ill-manneredan-mhíbhéasachan- lenites, except d, t and s
too ill-manneredrómhíbhéasachró- lenites

“Míbhéasach” in a sentence: Irish examples

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

Bhí buachaill míbhéasach sa rang inniu.
There was a rude boy in the class today.
Labhair bean mhíbhéasach liom sa siopa.
A rude woman spoke to me in the shop.
Ní maith liom páistí míbhéasacha.
I don't like ill-mannered children.
Tá sé níos míbhéasaí ná a dheartháir.
He is ruder than his brother.
Bhí sé an-mhíbhéasach leis an múinteoir.
He was very rude to the teacher.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Ill-mannered in Irish: frequently asked questions

What is the Irish for ill-mannered?

The Irish for ill-mannered is míbhéasach (pronounced “mee-VAY-sukh”). It comes after the noun: buachaill míbhéasach, an ill-mannered boy; bean mhíbhéasach, an ill-mannered woman.

How do you say more ill-mannered and most ill-mannered in Irish?

níos míbhéasaí is more ill-mannered and is míbhéasaí is most ill-mannered. In the past tense they become ní ba mhíbhéasaí and ba mhíbhéasaí.

Why does míbhéasach become mhíbhéasach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean mhíbhéasach (an ill-mannered woman) but buachaill míbhéasach (an ill-mannered boy), because buachaill is masculine.

What is the plural of míbhéasach?

With a plural noun míbhéasach becomes míbhéasacha: buachaillí míbhéasacha, mná míbhéasacha.

How do you say very ill-mannered in Irish?

an-mhíbhéasach. Too ill-mannered is rómhíbhéasach, and as ill-mannered as is chomh míbhéasach le.

Does míbhéasach have more than one meaning?

Yes. Míbhéasach can mean ill-mannered, ill-behaved or improper, depending on context; the first is the most common.

Which preposition goes with míbhéasach when you are rude to someone?

Use le: Bhí sé míbhéasach liom, 'He was rude to me'.

What is the opposite of míbhéasach?

The opposite is béasach, 'well-mannered, polite'; mí- is a negative prefix that lenites.

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