HeyRua Get the app

To pump in Irish (caidéalaigh): Meaning, Conjugation, Examples

The Irish for to pump is caidéalaigh; ag caidéalú is pumping.
Updated October 2026Report a mistake

How to say “to pump” in Irish

Irish:
caidéalaigh
English:
to pump
Word type:
verb, second-conjugation
Verbal noun:
caidéalú (ag caidéalú, pumping)
Verbal adjective:
caidéalaithe
Pronunciation:
“KADJ-ayl-ee”  /ˈkadʲeːlˠiː/

What does “caidéalaigh” mean?

to pump
To move a liquid or gas by means of a pump.Also: pump out, pump up.

Other Irish verbs for to pump: pumpáil (pump)

“Caidéalaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Chaidéalaigh méI pumpedNíor chaidéalaigh méI did not pumpAr chaidéalaigh mé?Did I pump?
tú (you)Chaidéalaigh túYou pumpedNíor chaidéalaigh túYou did not pumpAr chaidéalaigh tú?Did you pump?
sé / sí (he / she)Chaidéalaigh sé / síHe pumpedNíor chaidéalaigh sé / síHe did not pumpAr chaidéalaigh sé / sí?Did he pump?
sinn (we)ChaidéalaíomarWe pumpedNíor chaidéalaíomarWe did not pumpAr chaidéalaíomar?Did we pump?
sibh (you, plural)Chaidéalaigh sibhYou pumpedNíor chaidéalaigh sibhYou did not pumpAr chaidéalaigh sibh?Did you pump?
siad (they)Chaidéalaigh siadThey pumpedNíor chaidéalaigh siadThey did not pumpAr chaidéalaigh siad?Did they pump?
saorbhriathar (autonomous)CaidéalaíodhNíor caidéalaíodhAr caidéalaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)CaidéalaímI pumpNí chaidéalaímI do not pumpAn gcaidéalaím?Do I pump?
tú (you)Caidéalaíonn túYou pumpNí chaidéalaíonn túYou do not pumpAn gcaidéalaíonn tú?Do you pump?
sé / sí (he / she)Caidéalaíonn sé / síHe pumpsNí chaidéalaíonn sé / síHe does not pumpAn gcaidéalaíonn sé / sí?Does he pump?
sinn (we)CaidéalaímidWe pumpNí chaidéalaímidWe do not pumpAn gcaidéalaímid?Do we pump?
sibh (you, plural)Caidéalaíonn sibhYou pumpNí chaidéalaíonn sibhYou do not pumpAn gcaidéalaíonn sibh?Do you pump?
siad (they)Caidéalaíonn siadThey pumpNí chaidéalaíonn siadThey do not pumpAn gcaidéalaíonn siad?Do they pump?
saorbhriathar (autonomous)CaidéalaítearNí chaidéalaítearAn gcaidéalaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Caidéalóidh méI will pumpNí chaidéalóidh méI will not pumpAn gcaidéalóidh mé?Will I pump?
tú (you)Caidéalóidh túYou will pumpNí chaidéalóidh túYou will not pumpAn gcaidéalóidh tú?Will you pump?
sé / sí (he / she)Caidéalóidh sé / síHe will pumpNí chaidéalóidh sé / síHe will not pumpAn gcaidéalóidh sé / sí?Will he pump?
sinn (we)CaidéalóimidWe will pumpNí chaidéalóimidWe will not pumpAn gcaidéalóimid?Will we pump?
sibh (you, plural)Caidéalóidh sibhYou will pumpNí chaidéalóidh sibhYou will not pumpAn gcaidéalóidh sibh?Will you pump?
siad (they)Caidéalóidh siadThey will pumpNí chaidéalóidh siadThey will not pumpAn gcaidéalóidh siad?Will they pump?
saorbhriathar (autonomous)CaidéalófarNí chaidéalófarAn gcaidéalófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)ChaidéalóinnI would pumpNí chaidéalóinnI would not pumpAn gcaidéalóinn?Would I pump?
tú (you)ChaidéalófáYou would pumpNí chaidéalófáYou would not pumpAn gcaidéalófá?Would you pump?
sé / sí (he / she)Chaidéalódh sé / síHe would pumpNí chaidéalódh sé / síHe would not pumpAn gcaidéalódh sé / sí?Would he pump?
sinn (we)ChaidéalóimisWe would pumpNí chaidéalóimisWe would not pumpAn gcaidéalóimis?Would we pump?
sibh (you, plural)Chaidéalódh sibhYou would pumpNí chaidéalódh sibhYou would not pumpAn gcaidéalódh sibh?Would you pump?
siad (they)ChaidéalóidísThey would pumpNí chaidéalóidísThey would not pumpAn gcaidéalóidís?Would they pump?
saorbhriathar (autonomous)ChaidéalófaíNí chaidéalófaíAn gcaidéalófaí?

“Caidéalaigh” in a sentence: Irish examples

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

Chaidéalaigh siad an t-uisce as an íoslach.
They pumped the water out of the basement.
Caidéalaíonn an croí fuil timpeall an choirp.
The heart pumps blood around the body.
Caidéalóidh mé aer isteach sna boinn amárach.
I will pump air into the tyres tomorrow.
Chaidéalódh sé an bád dá mbeadh caidéal aige.
He would pump out the boat if he had a pump.
Níor chaidéalaigh aon duine an t-uisce fós.
Nobody has pumped the water yet.
Ar chaidéalaigh tú na boinn ar an rothar?
Did you pump the tyres on the bike?

Other verbs in Irish

More everyday Irish verbs to learn next.

To pump in Irish: frequently asked questions

What is the Irish for to pump?

The Irish for to pump is caidéalaigh (pronounced “KADJ-ayl-ee”). It is a second-conjugation verb; the verbal noun is caidéalú.

What is the verbal noun of caidéalaigh?

The verbal noun of caidéalaigh is caidéalú, used after ag for the continuous: ag caidéalú (pumping). The verbal adjective is caidéalaithe.

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

Past: Chaidéalaigh mé; negative Níor chaidéalaigh mé; question Ar chaidéalaigh mé?. Future: Caidéalóidh mé; negative Ní chaidéalóidh mé; question An gcaidéalóidh mé?.

What is the modh coinníollach of caidéalaigh?

The conditional (modh coinníollach) first person is Chaidéalóinn (I would pump); negative Ní chaidéalóinn; question An gcaidéalóinn?.

What is the noun related to 'caidéalaigh'?

The noun is 'caidéal', a pump, so 'caidéalaigh' literally means to work a pump, as in 'caidéalaigh an t-uisce' (pump the water).

How is 'caidéalaigh' different from 'taosc'?

'Taosc' means to bail water out, often by hand, as from a boat, while 'caidéalaigh' means to move liquid or air with a pump.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen