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Eternal in Irish (síoraí): Meaning, Forms, Examples

Other uses of ‘síoraí’: constant

The Irish for eternal is síoraí: fear síoraí, an eternal man.
Updated October 2026Report a mistake

How to say “eternal” in Irish

Irish:
síoraí
English:
eternal, constant
Word type:
adjective
More eternal:
níos síoraí
Most eternal:
is síoraí
Pronunciation:
“SHEE-ree”  /ˈʃiːɾˠiː/

What does “síoraí” mean?

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

eternal
Lasting forever, without beginning or end.Also: everlasting, perpetual, endless.
1 other meaning: constant
2constant
Happening all the time, without stopping.Also: continual, unceasing, incessant.

Other Irish adjectives for eternal: síor (perpetual)

“Síoraí” after a noun

An Irish adjective comes after its noun. Here is síoraí after fear (man, masculine), after beatha (life, feminine) and after a plural.

after a masculine nounfear síoraían eternal man
after a feminine nounbeatha shíoraían eternal life
after a plural nounfir shíoraíeternal men

séimhiú (the h) the ending

feminine
beathalife
+
síoraíeternal
=
beatha shíoraían eternal life

After a feminine noun the adjective gets a séimhiú, an h after its first letter: beatha shíoraí. After a masculine noun it stays as it is: fear síoraí.

plural
firmen
+
síoraíeternal, plural
=
fir shíoraíeternal men

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

More eternal, most eternal, very eternal

níosmore
+
síoraíeternal
=
níos síoraímore eternal
ismost
+
síoraíeternal
=
is síoraímost eternal
more eternalníos síoraíin the past tense: ní ba shíoraí
most eternalis síoraíin the past tense: ba shíoraí
as eternal aschomh síoraí leno change after chomh
very eternalan-síoraían- lenites, except d, t and s
too eternalróshíoraíró- lenites

“Síoraí” in a sentence: Irish examples

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

Is grá síoraí é grá na máthar.
A mother's love is an eternal love.
Tá súil againn leis an mbeatha shíoraí.
We hope for eternal life.
Bhí na hargóintí síoraí ag cur isteach orm.
The constant arguments were bothering me.
Chreid siad go raibh an t-anam síoraí.
They believed the soul was eternal.
Tá sé síoraí ag gearán faoin aimsir.
He is forever complaining about the weather.

Phrases with síoraí: Suaimhneas síoraí dá anam (may he rest in peace), Suaimhneas síoraí dá hanam (may she rest in peace)

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Phrases with “síoraí”

Eternal in Irish: frequently asked questions

What is the Irish for eternal?

The Irish for eternal is síoraí (pronounced “SHEE-ree”). It comes after the noun: fear síoraí, an eternal man; beatha shíoraí, an eternal life.

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

níos síoraí is more eternal and is síoraí is most eternal. In the past tense they become ní ba shíoraí and ba shíoraí.

Why does síoraí become shíoraí?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So beatha shíoraí (an eternal life) but fear síoraí (an eternal man), because fear is masculine.

How do you say very eternal in Irish?

an-síoraí. Too eternal is róshíoraí, and as eternal as is chomh síoraí le.

Does síoraí have more than one meaning?

Yes. Síoraí can mean eternal or constant, depending on context; the first is the most common.

What is the difference between 'síoraí' and 'buan'?

'Síoraí' means eternal or never-ending, often in a religious sense, as in 'an bheatha shíoraí'. 'Buan' means lasting or permanent, as in 'post buan', a permanent job.

How do I say 'forever' using this word?

Use 'go síoraí', for example 'Beidh mé buíoch go síoraí', I will be forever grateful.

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