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Intensive in Irish (dianasach): Meaning, Forms, Examples

The Irish for intensive is dianasach: cúrsa dianasach, an intensive course.
Updated October 2026Report a mistake

How to say “intensive” in Irish

Irish:
dianasach
English:
intensive
Word type:
adjective
More intensive:
níos dianasaí
Most intensive:
is dianasaí
Plural:
dianasacha
Pronunciation:
“DEE-un-uh-sukh”  /dʲiən̪ˠəsˠəx/

What does “dianasach” mean?

intensive
Done with great concentration of effort or resources over a short time or small area.Also: concentrated, intense, thorough.

“Dianasach” after a noun

An Irish adjective comes after its noun. Here is dianasach after cúrsa (course, masculine), after obair (work, feminine) and after a plural.

after a masculine nouncúrsa dianasachan intensive course
after a feminine nounobair dhianasachintensive work
after a plural nouncúrsaí dianasachaintensive courses

séimhiú (the h) the ending

feminine
obairwork
+
dianasachintensive
=
obair dhianasachintensive work

After a feminine noun the adjective gets a séimhiú, an h after its first letter: obair dhianasach. After a masculine noun it stays as it is: cúrsa dianasach.

plural
cúrsaícourses
+
dianasachaintensive, plural
=
cúrsaí dianasachaintensive courses

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

More intensive, most intensive, very intensive

níosmore
+
dianasaíintensive
=
níos dianasaímore intensive
ismost
+
dianasaíintensive
=
is dianasaímost intensive

Tá an traenáil níos dianasaí i mbliana. The training is more intensive this year.

more intensiveníos dianasaíin the past tense: ní ba dhianasaí
most intensiveis dianasaíin the past tense: ba dhianasaí
as intensive aschomh dianasach leno change after chomh
very intensivean-dianasachan- lenites, except d, t and s
too intensiveródhianasachró- lenites

“Dianasach” in a sentence: Irish examples

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

Rinne mé cúrsa dianasach Gaeilge sa samhradh.
I did an intensive Irish course in the summer.
Is obair dhianasach í seo.
This is intensive work.
Cuirtear cúrsaí dianasacha ar fáil do mhúinteoirí.
Intensive courses are provided for teachers.
Tá an traenáil níos dianasaí i mbliana.
The training is more intensive this year.
Tá an clár staidéir an-dianasach.
The study programme is very intensive.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Intensive in Irish: frequently asked questions

What is the Irish for intensive?

The Irish for intensive is dianasach (pronounced “DEE-un-uh-sukh”). It comes after the noun: cúrsa dianasach, an intensive course; obair dhianasach, intensive work.

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

níos dianasaí is more intensive and is dianasaí is most intensive. In the past tense they become ní ba dhianasaí and ba dhianasaí.

Why does dianasach become dhianasach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So obair dhianasach (intensive work) but cúrsa dianasach (an intensive course), because cúrsa is masculine.

What is the plural of dianasach?

With a plural noun dianasach becomes dianasacha: cúrsaí dianasacha, oibreacha dianasacha.

How do you say very intensive in Irish?

an-dianasach. Too intensive is ródhianasach, and as intensive as is chomh dianasach le.

How does 'dianasach' differ from 'dian'?

'Dian' is the everyday word for hard, severe or intense, while 'dianasach' is the more technical 'intensive', as in 'cúrsa dianasach' or 'feirmeoireacht dhianasach'.

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