HeyRua Get the app

To begin in Irish (túsaigh): Meaning, Conjugation, Examples

Other uses of ‘túsaigh’: initialize

The Irish for to begin is túsaigh; ag túsú is beginning.
Updated October 2026Report a mistake

How to say “to begin” in Irish

Irish:
túsaigh
English:
to begin, initialize
Word type:
verb, second-conjugation
Verbal noun:
túsú (ag túsú, beginning)
Verbal adjective:
túsaithe
Pronunciation:
“TOO-see”  /ˈt̪ˠuːsˠiː/

What does “túsaigh” mean?

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

to begin
To start or initiate something, especially formally.Also: start, initiate, commence.
1 other meaning: initialize
2to initialize
To set a computer, program or device to its starting state.Also: initialise, boot, start up.

Other Irish verbs for to begin: tosaigh (begin)

“Túsaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Thúsaigh méI beganNíor thúsaigh méI did not beginAr thúsaigh mé?Did I begin?
tú (you)Thúsaigh túYou beganNíor thúsaigh túYou did not beginAr thúsaigh tú?Did you begin?
sé / sí (he / she)Thúsaigh sé / síHe beganNíor thúsaigh sé / síHe did not beginAr thúsaigh sé / sí?Did he begin?
sinn (we)ThúsaíomarWe beganNíor thúsaíomarWe did not beginAr thúsaíomar?Did we begin?
sibh (you, plural)Thúsaigh sibhYou beganNíor thúsaigh sibhYou did not beginAr thúsaigh sibh?Did you begin?
siad (they)Thúsaigh siadThey beganNíor thúsaigh siadThey did not beginAr thúsaigh siad?Did they begin?
saorbhriathar (autonomous)TúsaíodhNíor túsaíodhAr túsaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)TúsaímI beginNí thúsaímI do not beginAn dtúsaím?Do I begin?
tú (you)Túsaíonn túYou beginNí thúsaíonn túYou do not beginAn dtúsaíonn tú?Do you begin?
sé / sí (he / she)Túsaíonn sé / síHe beginsNí thúsaíonn sé / síHe does not beginAn dtúsaíonn sé / sí?Does he begin?
sinn (we)TúsaímidWe beginNí thúsaímidWe do not beginAn dtúsaímid?Do we begin?
sibh (you, plural)Túsaíonn sibhYou beginNí thúsaíonn sibhYou do not beginAn dtúsaíonn sibh?Do you begin?
siad (they)Túsaíonn siadThey beginNí thúsaíonn siadThey do not beginAn dtúsaíonn siad?Do they begin?
saorbhriathar (autonomous)TúsaítearNí thúsaítearAn dtúsaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Túsóidh méI will beginNí thúsóidh méI will not beginAn dtúsóidh mé?Will I begin?
tú (you)Túsóidh túYou will beginNí thúsóidh túYou will not beginAn dtúsóidh tú?Will you begin?
sé / sí (he / she)Túsóidh sé / síHe will beginNí thúsóidh sé / síHe will not beginAn dtúsóidh sé / sí?Will he begin?
sinn (we)TúsóimidWe will beginNí thúsóimidWe will not beginAn dtúsóimid?Will we begin?
sibh (you, plural)Túsóidh sibhYou will beginNí thúsóidh sibhYou will not beginAn dtúsóidh sibh?Will you begin?
siad (they)Túsóidh siadThey will beginNí thúsóidh siadThey will not beginAn dtúsóidh siad?Will they begin?
saorbhriathar (autonomous)TúsófarNí thúsófarAn dtúsófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)ThúsóinnI would beginNí thúsóinnI would not beginAn dtúsóinn?Would I begin?
tú (you)ThúsófáYou would beginNí thúsófáYou would not beginAn dtúsófá?Would you begin?
sé / sí (he / she)Thúsódh sé / síHe would beginNí thúsódh sé / síHe would not beginAn dtúsódh sé / sí?Would he begin?
sinn (we)ThúsóimisWe would beginNí thúsóimisWe would not beginAn dtúsóimis?Would we begin?
sibh (you, plural)Thúsódh sibhYou would beginNí thúsódh sibhYou would not beginAn dtúsódh sibh?Would you begin?
siad (they)ThúsóidísThey would beginNí thúsóidísThey would not beginAn dtúsóidís?Would they begin?
saorbhriathar (autonomous)ThúsófaíNí thúsófaíAn dtúsófaí?

“Túsaigh” in a sentence: Irish examples

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

Thúsaigh an cruinniú ag a deich a chlog.
The meeting began at ten o'clock.
Túsaíonn an scoil i mí Mheán Fómhair.
School begins in September.
Túsóidh an tionscadal nua an tseachtain seo chugainn.
The new project will begin next week.
Thúsóinn an obair inniu dá mbeadh an t-am agam.
I would start the work today if I had the time.
Níor thúsaigh siad an comórtas fós.
They haven't started the competition yet.
Ar thúsaigh tú an ríomhaire?
Did you start up the computer?

Other verbs in Irish

More everyday Irish verbs to learn next.

To begin in Irish: frequently asked questions

What is the Irish for to begin?

The Irish for to begin is túsaigh (pronounced “TOO-see”). It is a second-conjugation verb; the verbal noun is túsú.

What is the verbal noun of túsaigh?

The verbal noun of túsaigh is túsú, used after ag for the continuous: ag túsú (beginning). The verbal adjective is túsaithe.

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

Past: Thúsaigh mé; negative Níor thúsaigh mé; question Ar thúsaigh mé?. Future: Túsóidh mé; negative Ní thúsóidh mé; question An dtúsóidh mé?.

What is the modh coinníollach of túsaigh?

The conditional (modh coinníollach) first person is Thúsóinn (I would begin); negative Ní thúsóinn; question An dtúsóinn?.

Does túsaigh have more than one meaning?

Yes. Túsaigh can mean to begin or to initialize, depending on context; the first is the most common.

What is the difference between 'túsaigh' and 'tosaigh'?

'Tosaigh' is the everyday word for start or begin, while 'túsaigh' is more formal or technical, often used for initiating procedures or initializing computers.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen