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Deciduous in Irish (duillsilteach): Meaning, Forms, Examples

The Irish for deciduous is duillsilteach: crann duillsilteach, a deciduous tree.
Updated October 2026Report a mistake

How to say “deciduous” in Irish

Irish:
duillsilteach
English:
deciduous
Word type:
adjective
More deciduous:
níos duillsiltí
Most deciduous:
is duillsiltí
Plural:
duillsilteacha
Pronunciation:
“DWIL-shil-tyakh”  /ˈd̪ˠɪl̠ʲʃɪl̠ʲtʲəx/

What does “duillsilteach” mean?

deciduous
Describes a tree or shrub that sheds its leaves every year, usually in autumn.Also: leaf-shedding.

“Duillsilteach” after a noun

An Irish adjective comes after its noun. Here is duillsilteach after crann (tree, masculine), after fuinseog (ash tree, feminine) and after a plural.

after a masculine nouncrann duillsilteacha deciduous tree
after a feminine nounfuinseog dhuillsilteacha deciduous ash tree
after a plural nouncrainn dhuillsilteachadeciduous trees

séimhiú (the h) the ending

feminine
fuinseogash tree
+
duillsilteachdeciduous
=
fuinseog dhuillsilteacha deciduous ash tree

After a feminine noun the adjective gets a séimhiú, an h after its first letter: fuinseog dhuillsilteach. After a masculine noun it stays as it is: crann duillsilteach.

plural
crainntrees
+
duillsilteachadeciduous, plural
=
crainn dhuillsilteachadeciduous trees

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

More deciduous, most deciduous, very deciduous

níosmore
+
duillsiltídeciduous
=
níos duillsiltímore deciduous
ismost
+
duillsiltídeciduous
=
is duillsiltímost deciduous

Tá an fhoraois seo níos duillsiltí ná an ceann eile. This forest is more deciduous than the other one.

more deciduousníos duillsiltíin the past tense: ní ba dhuillsiltí
most deciduousis duillsiltíin the past tense: ba dhuillsiltí
as deciduous aschomh duillsilteach leno change after chomh
very deciduousan-duillsilteachan- lenites, except d, t and s
too deciduousródhuillsilteachró- lenites

“Duillsilteach” in a sentence: Irish examples

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

Is crann duillsilteach í an dair.
The oak is a deciduous tree.
Is planda duillsilteach í an fhuinseog seo.
This ash is a deciduous plant.
Tá a lán crainn dhuillsilteacha sa choill.
There are many deciduous trees in the wood.
Tá an fhoraois seo níos duillsiltí ná an ceann eile.
This forest is more deciduous than the other one.
Tá an crann seo duillsilteach.
This tree is deciduous.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Deciduous in Irish: frequently asked questions

What is the Irish for deciduous?

The Irish for deciduous is duillsilteach (pronounced “DWIL-shil-tyakh”). It comes after the noun: crann duillsilteach, a deciduous tree; fuinseog dhuillsilteach, a deciduous ash tree.

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

níos duillsiltí is more deciduous and is duillsiltí is most deciduous. In the past tense they become ní ba dhuillsiltí and ba dhuillsiltí.

Why does duillsilteach become dhuillsilteach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So fuinseog dhuillsilteach (a deciduous ash tree) but crann duillsilteach (a deciduous tree), because crann is masculine.

What is the plural of duillsilteach?

With a plural noun duillsilteach becomes duillsilteacha: crainn dhuillsilteacha, fuinseoga duillsilteacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very deciduous in Irish?

an-duillsilteach. Too deciduous is ródhuillsilteach, and as deciduous as is chomh duillsilteach le.

What is the opposite of 'duillsilteach'?

The opposite is 'síorghlas', evergreen, as in 'crann síorghlas'.

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