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Astronomer in Irish (Réalteolaí): Meaning, Pronunciation, Usage

The Irish for astronomer is réalteolaí, a masculine noun (plural réalteolaithe).
Updated October 2026Report a mistake

How to say “astronomer” in Irish

Irish:
réalteolaí
English:
astronomer
Word type:
noun
Gender:
masculine
Pronunciation:
“RAYL-tyoh-lee”  /ˈreːlʲtʲoːl̪ˠiː/
Various forms
Plural:
réalteolaithe (astronomers)
Genitive singular:
réalteolaí, an réalteolaí (e.g. teileascóp an réalteolaí, the astronomer's telescope)
Genitive plural:
réalteolaithe, na réalteolaithe (e.g. cumann réalteolaithe, an astronomers' society)

What does “réalteolaí” mean?

astronomer
A scientist who studies the stars, planets and other objects in space.Also: stargazer, space scientist.

“Réalteolaí” with the article

The plural of astronomer in Irish is réalteolaithe. Here is réalteolaí after the article (an t-alt), in the singular and the plural.

an réalteolaí
the astronomer
No change after an
na réalteolaithe
the astronomers
Plural: no change after na

“Réalteolaí” in a sentence: Irish examples

Common Irish sentences using réalteolaí, the Irish word for astronomer.

Is réalteolaí í m'aintín.
My aunt is an astronomer.
Chonaic an réalteolaí cóiméad nua aréir.
The astronomer saw a new comet last night.
Ba mhaith liom a bheith i mo réalteolaí.
I would like to be an astronomer.
Bhí na réalteolaithe ag faire ar an ngealach.
The astronomers were watching the moon.
Léigh mé leabhar faoi shaol an réalteolaí.
I read a book about the astronomer's life.
Tháinig réalteolaithe ó gach tír chuig an gcomhdháil.
Astronomers from every country came to the conference.
Thug réalteolaí cáiliúil léacht sa scoil inniu.
A famous astronomer gave a talk in the school today.

Other nouns in Irish

More everyday Irish nouns to learn next.

Astronomer in Irish: frequently asked questions

What is the Irish for astronomer?

The Irish for astronomer is réalteolaí (pronounced “RAYL-tyoh-lee”). It’s a masculine noun and the plural is réalteolaithe.

How do you pronounce réalteolaí in Irish?

Réalteolaí is said like “RAYL-tyoh-lee” (IPA /ˈreːlʲtʲoːl̪ˠiː/).

What is the plural of astronomer in Irish?

The plural of réalteolaí is réalteolaithe; with the article, na réalteolaithe means “the astronomers”. The genitive plural is réalteolaithe, as in cumann réalteolaithe (an astronomers' society).

What is the difference between réalteolaí and astralaí?

A réalteolaí is an astronomer who studies space scientifically, while an astralaí is an astrologer who reads the stars for fortunes.

What is the word for the science itself?

The science of astronomy is réalteolaíocht, and the person who practises it is a réalteolaí.

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