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Astronomical in Irish (réalteolaíoch): Meaning, Forms, Examples

The Irish for astronomical is réalteolaíoch: tráchtas réalteolaíoch, an astronomical thesis.
Updated October 2026Report a mistake

How to say “astronomical” in Irish

Irish:
réalteolaíoch
English:
astronomical
Word type:
adjective
More astronomical:
níos réalteolaíche
Most astronomical:
is réalteolaíche
Plural:
réalteolaíocha
Pronunciation:
“RAYL-tyoh-lee-ukh”  /ˈreːl̪ˠtʲoːl̪ˠiːəx/

What does “réalteolaíoch” mean?

astronomical
Relating to astronomy, the scientific study of stars, planets and space.Also: astronomic, of astronomy.

“Réalteolaíoch” after a noun

An Irish adjective comes after its noun. Here is réalteolaíoch after tráchtas (thesis, masculine), after bean (woman, feminine) and after a plural.

after a masculine nountráchtas réalteolaíochan astronomical thesis
after a feminine nounbean réalteolaíochan astronomical woman
after a plural nountráchtais réalteolaíochaastronomical theses

séimhiú (the h) the ending

plural
tráchtaistheses
+
réalteolaíochaastronomical, plural
=
tráchtais réalteolaíochaastronomical theses

With a plural noun the adjective takes its plural form, réalteolaíocha.

More astronomical, most astronomical, very astronomical

níosmore
+
réalteolaícheastronomical
=
níos réalteolaíchemore astronomical
ismost
+
réalteolaícheastronomical
=
is réalteolaíchemost astronomical

Tá an leabhar seo níos réalteolaíche ná an ceann eile. This book is more astronomical than the other one.

more astronomicalníos réalteolaíchein the past tense: ní ba réalteolaíche
most astronomicalis réalteolaíchein the past tense: ba réalteolaíche
as astronomical aschomh réalteolaíoch leno change after chomh
very astronomicalan-réalteolaíochan- lenites, except d, t and s
too astronomicalróréalteolaíochró- lenites

“Réalteolaíoch” in a sentence: Irish examples

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

Cheannaigh sé teileascóp réalteolaíoch nua.
He bought a new astronomical telescope.
Rinne siad breathnóireacht réalteolaíoch aréir.
They made an astronomical observation last night.
Tá na hionstraimí réalteolaíocha sa tsaotharlann.
The astronomical instruments are in the laboratory.
Tá an leabhar seo níos réalteolaíche ná an ceann eile.
This book is more astronomical than the other one.
Is ábhar réalteolaíoch é sin.
That is an astronomical subject.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Astronomical in Irish: frequently asked questions

What is the Irish for astronomical?

The Irish for astronomical is réalteolaíoch (pronounced “RAYL-tyoh-lee-ukh”). It comes after the noun: tráchtas réalteolaíoch, an astronomical thesis; bean réalteolaíoch, an astronomical woman.

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

níos réalteolaíche is more astronomical and is réalteolaíche is most astronomical. In the past tense they become ní ba réalteolaíche and ba réalteolaíche.

What is the plural of réalteolaíoch?

With a plural noun réalteolaíoch becomes réalteolaíocha: tráchtais réalteolaíocha, mná réalteolaíocha.

How do you say very astronomical in Irish?

an-réalteolaíoch. Too astronomical is róréalteolaíoch, and as astronomical as is chomh réalteolaíoch le.

Does 'réalteolaíoch' mean astronomical in the sense of 'huge'?

No, 'réalteolaíoch' relates to the science of astronomy only. For a huge amount, use 'ollmhór' or 'thar na bearta'.

What is the difference between 'réalteolaíoch' and 'astralaíoch'?

'Réalteolaíoch' relates to astronomy, the science, while 'astralaíoch' relates to astrology.

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