HeyRua Get the app

To isolate in Irish (leithlisigh): Meaning, Conjugation, Examples

The Irish for to isolate is leithlisigh; ag leithlisiú is isolating.
Updated October 2026Report a mistake

How to say “to isolate” in Irish

Irish:
leithlisigh
English:
to isolate
Word type:
verb, second-conjugation
Verbal noun:
leithlisiú (ag leithlisiú, isolating)
Verbal adjective:
leithlisithe
Pronunciation:
“LEH-lish-ee”  /ˈlʲɛlʲiʃiː/

What does “leithlisigh” mean?

to isolate
To set someone or something apart from others, for example a patient, a substance or a problem.Also: set apart, separate, quarantine.

“Leithlisigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Leithlisigh méI isolatedNíor leithlisigh méI did not isolateAr leithlisigh mé?Did I isolate?
tú (you)Leithlisigh túYou isolatedNíor leithlisigh túYou did not isolateAr leithlisigh tú?Did you isolate?
sé / sí (he / she)Leithlisigh sé / síHe isolatedNíor leithlisigh sé / síHe did not isolateAr leithlisigh sé / sí?Did he isolate?
sinn (we)LeithlisíomarWe isolatedNíor leithlisíomarWe did not isolateAr leithlisíomar?Did we isolate?
sibh (you, plural)Leithlisigh sibhYou isolatedNíor leithlisigh sibhYou did not isolateAr leithlisigh sibh?Did you isolate?
siad (they)Leithlisigh siadThey isolatedNíor leithlisigh siadThey did not isolateAr leithlisigh siad?Did they isolate?
saorbhriathar (autonomous)LeithlisíodhNíor leithlisíodhAr leithlisíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)LeithlisímI isolateNí leithlisímI do not isolateAn leithlisím?Do I isolate?
tú (you)Leithlisíonn túYou isolateNí leithlisíonn túYou do not isolateAn leithlisíonn tú?Do you isolate?
sé / sí (he / she)Leithlisíonn sé / síHe isolatesNí leithlisíonn sé / síHe does not isolateAn leithlisíonn sé / sí?Does he isolate?
sinn (we)LeithlisímidWe isolateNí leithlisímidWe do not isolateAn leithlisímid?Do we isolate?
sibh (you, plural)Leithlisíonn sibhYou isolateNí leithlisíonn sibhYou do not isolateAn leithlisíonn sibh?Do you isolate?
siad (they)Leithlisíonn siadThey isolateNí leithlisíonn siadThey do not isolateAn leithlisíonn siad?Do they isolate?
saorbhriathar (autonomous)LeithlisítearNí leithlisítearAn leithlisítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Leithliseoidh méI will isolateNí leithliseoidh méI will not isolateAn leithliseoidh mé?Will I isolate?
tú (you)Leithliseoidh túYou will isolateNí leithliseoidh túYou will not isolateAn leithliseoidh tú?Will you isolate?
sé / sí (he / she)Leithliseoidh sé / síHe will isolateNí leithliseoidh sé / síHe will not isolateAn leithliseoidh sé / sí?Will he isolate?
sinn (we)LeithliseoimidWe will isolateNí leithliseoimidWe will not isolateAn leithliseoimid?Will we isolate?
sibh (you, plural)Leithliseoidh sibhYou will isolateNí leithliseoidh sibhYou will not isolateAn leithliseoidh sibh?Will you isolate?
siad (they)Leithliseoidh siadThey will isolateNí leithliseoidh siadThey will not isolateAn leithliseoidh siad?Will they isolate?
saorbhriathar (autonomous)LeithliseofarNí leithliseofarAn leithliseofar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)LeithliseoinnI would isolateNí leithliseoinnI would not isolateAn leithliseoinn?Would I isolate?
tú (you)LeithliseofáYou would isolateNí leithliseofáYou would not isolateAn leithliseofá?Would you isolate?
sé / sí (he / she)Leithliseodh sé / síHe would isolateNí leithliseodh sé / síHe would not isolateAn leithliseodh sé / sí?Would he isolate?
sinn (we)LeithliseoimisWe would isolateNí leithliseoimisWe would not isolateAn leithliseoimis?Would we isolate?
sibh (you, plural)Leithliseodh sibhYou would isolateNí leithliseodh sibhYou would not isolateAn leithliseodh sibh?Would you isolate?
siad (they)LeithliseoidísThey would isolateNí leithliseoidísThey would not isolateAn leithliseoidís?Would they isolate?
saorbhriathar (autonomous)LeithliseofaíNí leithliseofaíAn leithliseofaí?

“Leithlisigh” in a sentence: Irish examples

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

Leithlisigh na dochtúirí an t-othar inné.
The doctors isolated the patient yesterday.
Leithlisíonn an gléas seo an fhuaim ón torann.
This device isolates the sound from the noise.
Leithliseoidh na heolaithe an víreas sa tsaotharlann.
The scientists will isolate the virus in the laboratory.
Leithliseodh sé an fhadhb dá mbeadh am aige.
He would isolate the problem if he had time.
Níor leithlisíodh na hainmhithe tinne in am.
The sick animals were not isolated in time.
Ar leithlisigh siad an baile tar éis na tubaiste?
Did they isolate the town after the disaster?

Other verbs in Irish

More everyday Irish verbs to learn next.

To isolate in Irish: frequently asked questions

What is the Irish for to isolate?

The Irish for to isolate is leithlisigh (pronounced “LEH-lish-ee”). It is a second-conjugation verb; the verbal noun is leithlisiú.

What is the verbal noun of leithlisigh?

The verbal noun of leithlisigh is leithlisiú, used after ag for the continuous: ag leithlisiú (isolating). The verbal adjective is leithlisithe.

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

Past: Leithlisigh mé; negative Níor leithlisigh mé; question Ar leithlisigh mé?. Future: Leithliseoidh mé; negative Ní leithliseoidh mé; question An leithliseoidh mé?.

What is the modh coinníollach of leithlisigh?

The conditional (modh coinníollach) first person is Leithliseoinn (I would isolate); negative Ní leithliseoinn; question An leithliseoinn?.

How is 'leithlisigh' different from 'scar'?

'Scar' is the general verb for separating or parting, while 'leithlisigh' is a more technical word for isolating something, as in 'leithlisigh an t-othar' (isolate the patient).

Learn Irish by
actually speaking it

Learn everyday Irish verbs like leithlisigh through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen