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Bad in Irish (dona): Meaning, Forms, Examples

Other uses of ‘dona’: unwell · unfortunate

The Irish for bad is dona: lá dona, a bad day.
Updated October 2026Report a mistake

How to say “bad” in Irish

Irish:
dona
English:
bad, unwell, unfortunate
Word type:
adjective
Pronunciation:
“DUN-uh”  /ˈd̪ˠʊn̪ˠə/

What does “dona” mean?

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

bad
Of poor quality or condition, not good.Also: poor, awful, terrible.
2 other meanings: unwell or unfortunate
2unwell
Feeling ill or in a poor state of health, often said as 'go dona'.Also: ill, poorly, sick.
3unfortunate
Unlucky or wretched, having bad fortune.Also: unlucky, wretched, miserable.

Other Irish adjectives for bad: olc (bad)

“Dona” after a noun

An Irish adjective comes after its noun. Here is dona after lá (day, masculine), after aimsir (weather, feminine) and after a plural.

after a masculine nounlá donaa bad day
after a feminine nounaimsir dhonabad weather
after a plural nounlaethanta donabad days

séimhiú (the h) the ending

feminine
aimsirweather
+
donabad
=
aimsir dhonabad weather

After a feminine noun the adjective gets a séimhiú, an h after its first letter: aimsir dhona. After a masculine noun it stays as it is: lá dona.

plural
laethantadays
+
donabad, plural
=
laethanta donabad days

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

“Dona” in a sentence: Irish examples

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

Bhí lá dona againn ar an trá.
We had a bad day on the beach.
Bhí aimsir dhona ann an tseachtain seo caite.
There was bad weather last week.
Bhí na bóithre dona tar éis na stoirme.
The roads were bad after the storm.
Tá an scéal níos measa inniu ná inné.
The situation is worse today than yesterday.
Tá mé go dona inniu.
I am feeling poorly today.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Bad in Irish: frequently asked questions

What is the Irish for bad?

The Irish for bad is dona (pronounced “DUN-uh”). It comes after the noun: lá dona, a bad day; aimsir dhona, bad weather.

Why does dona become dhona?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So aimsir dhona (bad weather) but lá dona (a bad day), because lá is masculine.

How do you say very bad in Irish?

an-dona. Too bad is ródhona, and as bad as is chomh dona le.

Does dona have more than one meaning?

Yes. Dona can mean bad, unwell or unfortunate, depending on context; the first is the most common.

What is the difference between 'dona' and 'olc'?

Both mean bad, but 'dona' is used especially for poor condition or health, as in 'Tá mé go dona', while 'olc' often suggests evil or anger, as in 'duine olc'. Both share the comparative 'níos measa'.

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