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To rule in Irish (rialaigh): Meaning, Conjugation, Examples

Other uses of ‘rialaigh’: regulate

The Irish for to rule is rialaigh; ag rialú is ruling.
Updated October 2026Report a mistake

How to say “to rule” in Irish

Irish:
rialaigh
English:
to rule, regulate
Word type:
verb, second-conjugation
Verbal noun:
rialú (ag rialú, ruling)
Verbal adjective:
rialaithe
Pronunciation:
“REE-uh-lee”  /ˈɾʲiəl̪ˠiː/

What does “rialaigh” mean?

“Rialaigh” has three alternative meanings. The most common comes first.

to rule
To govern or control a country, people or organisation.Also: govern, control, reign.
2 other meanings: regulate
2to regulate
To control something by rules or adjust it so it works properly.Also: control, adjust.
3to rule
To make an official decision, especially in a court.Also: decide, give a ruling.

“Rialaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Rialaigh méI ruledNíor rialaigh méI did not ruleAr rialaigh mé?Did I rule?
tú (you)Rialaigh túYou ruledNíor rialaigh túYou did not ruleAr rialaigh tú?Did you rule?
sé / sí (he / she)Rialaigh sé / síHe ruledNíor rialaigh sé / síHe did not ruleAr rialaigh sé / sí?Did he rule?
sinn (we)RialaíomarWe ruledNíor rialaíomarWe did not ruleAr rialaíomar?Did we rule?
sibh (you, plural)Rialaigh sibhYou ruledNíor rialaigh sibhYou did not ruleAr rialaigh sibh?Did you rule?
siad (they)Rialaigh siadThey ruledNíor rialaigh siadThey did not ruleAr rialaigh siad?Did they rule?
saorbhriathar (autonomous)RialaíodhNíor rialaíodhAr rialaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)RialaímI ruleNí rialaímI do not ruleAn rialaím?Do I rule?
tú (you)Rialaíonn túYou ruleNí rialaíonn túYou do not ruleAn rialaíonn tú?Do you rule?
sé / sí (he / she)Rialaíonn sé / síHe rulesNí rialaíonn sé / síHe does not ruleAn rialaíonn sé / sí?Does he rule?
sinn (we)RialaímidWe ruleNí rialaímidWe do not ruleAn rialaímid?Do we rule?
sibh (you, plural)Rialaíonn sibhYou ruleNí rialaíonn sibhYou do not ruleAn rialaíonn sibh?Do you rule?
siad (they)Rialaíonn siadThey ruleNí rialaíonn siadThey do not ruleAn rialaíonn siad?Do they rule?
saorbhriathar (autonomous)RialaítearNí rialaítearAn rialaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Rialóidh méI will ruleNí rialóidh méI will not ruleAn rialóidh mé?Will I rule?
tú (you)Rialóidh túYou will ruleNí rialóidh túYou will not ruleAn rialóidh tú?Will you rule?
sé / sí (he / she)Rialóidh sé / síHe will ruleNí rialóidh sé / síHe will not ruleAn rialóidh sé / sí?Will he rule?
sinn (we)RialóimidWe will ruleNí rialóimidWe will not ruleAn rialóimid?Will we rule?
sibh (you, plural)Rialóidh sibhYou will ruleNí rialóidh sibhYou will not ruleAn rialóidh sibh?Will you rule?
siad (they)Rialóidh siadThey will ruleNí rialóidh siadThey will not ruleAn rialóidh siad?Will they rule?
saorbhriathar (autonomous)RialófarNí rialófarAn rialófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)RialóinnI would ruleNí rialóinnI would not ruleAn rialóinn?Would I rule?
tú (you)RialófáYou would ruleNí rialófáYou would not ruleAn rialófá?Would you rule?
sé / sí (he / she)Rialódh sé / síHe would ruleNí rialódh sé / síHe would not ruleAn rialódh sé / sí?Would he rule?
sinn (we)RialóimisWe would ruleNí rialóimisWe would not ruleAn rialóimis?Would we rule?
sibh (you, plural)Rialódh sibhYou would ruleNí rialódh sibhYou would not ruleAn rialódh sibh?Would you rule?
siad (they)RialóidísThey would ruleNí rialóidísThey would not ruleAn rialóidís?Would they rule?
saorbhriathar (autonomous)RialófaíNí rialófaíAn rialófaí?

“Rialaigh” in a sentence: Irish examples

Past, present, future and conditional, with a negative and a question.

Rialaigh an rí an tír ar feadh tríocha bliain.
The king ruled the country for thirty years.
Rialaíonn an teirmeastat teocht an tí.
The thermostat regulates the temperature of the house.
Rialóidh an chúirt ar an gcás amárach.
The court will rule on the case tomorrow.
Rialódh sí an comhlacht go maith.
She would run the company well.
Níor rialaigh an breitheamh ina choinne.
The judge did not rule against him.
Ar rialaigh an rialtas sin an tír go cothrom?
Did that government rule the country fairly?

Other verbs in Irish

More everyday Irish verbs to learn next.

To rule in Irish: frequently asked questions

What is the Irish for to rule?

The Irish for to rule is rialaigh (pronounced “REE-uh-lee”). It is a second-conjugation verb; the verbal noun is rialú.

What is the verbal noun of rialaigh?

The verbal noun of rialaigh is rialú, used after ag for the continuous: ag rialú (ruling). The verbal adjective is rialaithe.

How do you say rialaigh in the past and the future?

Past: Rialaigh mé; negative Níor rialaigh mé; question Ar rialaigh mé?. Future: Rialóidh mé; negative Ní rialóidh mé; question An rialóidh mé?.

What is the modh coinníollach of rialaigh?

The conditional (modh coinníollach) first person is Rialóinn (I would rule); negative Ní rialóinn; question An rialóinn?.

Does rialaigh have more than one meaning?

Yes. Rialaigh can mean to rule or to regulate, depending on context; the first is the most common.

How do you say 'rule on a case' with 'rialaigh'?

Use the preposition 'ar': 'rialaigh an chúirt ar an gcás', the court ruled on the case.

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