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Serious in Irish (tromchúiseach): Meaning, Forms, Examples

Other uses of ‘tromchúiseach’: earnest

The Irish for serious is tromchúiseach: scéal tromchúiseach, a serious story.
Updated October 2026Report a mistake

How to say “serious” in Irish

Irish:
tromchúiseach
English:
serious, earnest
Word type:
adjective
More serious:
níos tromchúisí
Most serious:
is tromchúisí
Plural:
tromchúiseacha
Pronunciation:
“TRUM-khoo-shukh”  /ˈt̪ˠɾˠʊmˌxuːʃəx/

What does “tromchúiseach” mean?

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

serious
Important and worrying, needing careful attention; not light or trivial.Also: grave, weighty, important.
1 other meaning: earnest
2earnest
Describes a person who is solemn and serious in manner.Also: solemn, serious-minded.

Other Irish adjectives for serious: sollúnta (solemn)

“Tromchúiseach” after a noun

An Irish adjective comes after its noun. Here is tromchúiseach after scéal (story, masculine), after tuairim (opinion, feminine) and after a plural.

after a masculine nounscéal tromchúiseacha serious story
after a feminine nountuairim thromchúiseacha serious opinion
after a plural nounscéalta tromchúiseachaserious stories

séimhiú (the h) the ending

feminine
tuairimopinion
+
tromchúiseachserious
=
tuairim thromchúiseacha serious opinion

After a feminine noun the adjective gets a séimhiú, an h after its first letter: tuairim thromchúiseach. After a masculine noun it stays as it is: scéal tromchúiseach.

plural
scéaltastories
+
tromchúiseachaserious, plural
=
scéalta tromchúiseachaserious stories

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

More serious, most serious, very serious

níosmore
+
tromchúisíserious
=
níos tromchúisímore serious
ismost
+
tromchúisíserious
=
is tromchúisímost serious

Tá an fhadhb seo níos tromchúisí ná an ceann eile. This problem is more serious than the other one.

more seriousníos tromchúisíin the past tense: ní ba thromchúisí
most seriousis tromchúisíin the past tense: ba thromchúisí
as serious aschomh tromchúiseach leno change after chomh
very seriousan-tromchúiseachan- lenites, except d, t and s
too seriousróthromchúiseachró- lenites

“Tromchúiseach” in a sentence: Irish examples

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

Is scéal tromchúiseach é sin.
That is a serious matter.
Tá ceist thromchúiseach againn le plé.
We have a serious question to discuss.
Rinneadh botúin thromchúiseacha sa tuarascáil.
Serious mistakes were made in the report.
Tá an fhadhb seo níos tromchúisí ná an ceann eile.
This problem is more serious than the other one.
Tá an scéal an-tromchúiseach anois.
The situation is very serious now.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Serious in Irish: frequently asked questions

What is the Irish for serious?

The Irish for serious is tromchúiseach (pronounced “TRUM-khoo-shukh”). It comes after the noun: scéal tromchúiseach, a serious story; tuairim thromchúiseach, a serious opinion.

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

níos tromchúisí is more serious and is tromchúisí is most serious. In the past tense they become ní ba thromchúisí and ba thromchúisí.

Why does tromchúiseach become thromchúiseach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So tuairim thromchúiseach (a serious opinion) but scéal tromchúiseach (a serious story), because scéal is masculine.

What is the plural of tromchúiseach?

With a plural noun tromchúiseach becomes tromchúiseacha: scéalta tromchúiseacha, tuairimí tromchúiseacha.

How do you say very serious in Irish?

an-tromchúiseach. Too serious is róthromchúiseach, and as serious as is chomh tromchúiseach le.

Does tromchúiseach have more than one meaning?

Yes. Tromchúiseach can mean serious or earnest, depending on context; the first is the most common.

What is the difference between tromchúiseach and dáiríre?

Tromchúiseach describes a grave situation or matter, as in 'gortú tromchúiseach', while 'dáiríre' means being in earnest, as in 'An bhfuil tú dáiríre?' (Are you serious?).

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