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Parasitic in Irish (seadánach): Meaning, Forms, Examples

The Irish for parasitic is seadánach: fear seadánach, a parasitic man.
Updated October 2026Report a mistake

How to say “parasitic” in Irish

Irish:
seadánach
English:
parasitic
Word type:
adjective
More parasitic:
níos seadánaí
Most parasitic:
is seadánaí
Plural:
seadánacha
Pronunciation:
“SHAD-aw-nukh”  /ˈʃad̪ˠaːn̪ˠəx/

What does “seadánach” mean?

parasitic
Living on or feeding off another living thing, or living off other people without giving anything back.Also: parasitical, sponging, freeloading.

“Seadánach” after a noun

An Irish adjective comes after its noun. Here is seadánach after fear (man, masculine), after girseach (girl, feminine) and after a plural.

after a masculine nounfear seadánacha parasitic man
after a feminine noungirseach sheadánacha parasitic girl
after a plural nounfir sheadánachaparasitic men

séimhiú (the h) the ending

feminine
girseachgirl
+
seadánachparasitic
=
girseach sheadánacha parasitic girl

After a feminine noun the adjective gets a séimhiú, an h after its first letter: girseach sheadánach. After a masculine noun it stays as it is: fear seadánach.

plural
firmen
+
seadánachaparasitic, plural
=
fir sheadánachaparasitic men

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

More parasitic, most parasitic, very parasitic

níosmore
+
seadánaíparasitic
=
níos seadánaímore parasitic
ismost
+
seadánaíparasitic
=
is seadánaímost parasitic

Tá an fungas seo níos seadánaí ná an ceann eile. This fungus is more parasitic than the other one.

more parasiticníos seadánaíin the past tense: ní ba sheadánaí
most parasiticis seadánaíin the past tense: ba sheadánaí
as parasitic aschomh seadánach leno change after chomh
very parasitican-seadánachan- lenites, except d, t and s
too parasiticrósheadánachró- lenites

“Seadánach” in a sentence: Irish examples

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

Is orgánach seadánach é an míol sin.
That louse is a parasitic organism.
Fásann an planda seadánach ar chrainn.
The parasitic plant grows on trees.
Tá péisteanna seadánacha i mbolg an mhadra.
There are parasitic worms in the dog's stomach.
Tá an fungas seo níos seadánaí ná an ceann eile.
This fungus is more parasitic than the other one.
Tá an fheithid seo seadánach.
This insect is parasitic.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Parasitic in Irish: frequently asked questions

What is the Irish for parasitic?

The Irish for parasitic is seadánach (pronounced “SHAD-aw-nukh”). It comes after the noun: fear seadánach, a parasitic man; girseach sheadánach, a parasitic girl.

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

níos seadánaí is more parasitic and is seadánaí is most parasitic. In the past tense they become ní ba sheadánaí and ba sheadánaí.

Why does seadánach become sheadánach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So girseach sheadánach (a parasitic girl) but fear seadánach (a parasitic man), because fear is masculine.

What is the plural of seadánach?

With a plural noun seadánach becomes seadánacha: fir sheadánacha, girseacha seadánacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very parasitic in Irish?

an-seadánach. Too parasitic is rósheadánach, and as parasitic as is chomh seadánach le.

What is the noun related to 'seadánach'?

The noun is 'seadán', meaning a parasite, for example 'Is seadán é an sceartán' (the tick is a parasite).

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