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To fill in Irish (líon): Meaning, Conjugation, Examples

Other uses of ‘líon’: fill in · flood · net (noun, masculine)

The Irish for to fill is líon; ag líonadh is filling.
Updated October 2026Report a mistake

How to say “to fill” in Irish

Irish:
líon
English:
to fill, fill in, flood
Word type:
verb, first-conjugation
Verbal noun:
líonadh (ag líonadh, filling)
Verbal adjective:
líonta
Pronunciation:
“leen”  /lʲiːnˠ/

What does “líon” mean?

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

to fill
To make something full, for example a container, a space or a form.Also: fill up, refill, top up.
2 other meanings: fill in or flood
2to fill in
To complete a form or document by writing in the required details.Also: fill out, complete.
3to flood
Of water or the tide, to rise and fill a place or come in.Also: rise, come in.
Other entries for “líon”

The same spelling has its own page as:

“Líon” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Líon méI filledNíor líon méI did not fillAr líon mé?Did I fill?
tú (you)Líon túYou filledNíor líon túYou did not fillAr líon tú?Did you fill?
sé / sí (he / she)Líon sé / síHe filledNíor líon sé / síHe did not fillAr líon sé / sí?Did he fill?
sinn (we)LíonamarWe filledNíor líonamarWe did not fillAr líonamar?Did we fill?
sibh (you, plural)Líon sibhYou filledNíor líon sibhYou did not fillAr líon sibh?Did you fill?
siad (they)Líon siadThey filledNíor líon siadThey did not fillAr líon siad?Did they fill?
saorbhriathar (autonomous)LíonadhNíor líonadhAr líonadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)LíonaimI fillNí líonaimI do not fillAn líonaim?Do I fill?
tú (you)Líonann túYou fillNí líonann túYou do not fillAn líonann tú?Do you fill?
sé / sí (he / she)Líonann sé / síHe fillsNí líonann sé / síHe does not fillAn líonann sé / sí?Does he fill?
sinn (we)LíonaimidWe fillNí líonaimidWe do not fillAn líonaimid?Do we fill?
sibh (you, plural)Líonann sibhYou fillNí líonann sibhYou do not fillAn líonann sibh?Do you fill?
siad (they)Líonann siadThey fillNí líonann siadThey do not fillAn líonann siad?Do they fill?
saorbhriathar (autonomous)LíontarNí líontarAn líontar?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Líonfaidh méI will fillNí líonfaidh méI will not fillAn líonfaidh mé?Will I fill?
tú (you)Líonfaidh túYou will fillNí líonfaidh túYou will not fillAn líonfaidh tú?Will you fill?
sé / sí (he / she)Líonfaidh sé / síHe will fillNí líonfaidh sé / síHe will not fillAn líonfaidh sé / sí?Will he fill?
sinn (we)LíonfaimidWe will fillNí líonfaimidWe will not fillAn líonfaimid?Will we fill?
sibh (you, plural)Líonfaidh sibhYou will fillNí líonfaidh sibhYou will not fillAn líonfaidh sibh?Will you fill?
siad (they)Líonfaidh siadThey will fillNí líonfaidh siadThey will not fillAn líonfaidh siad?Will they fill?
saorbhriathar (autonomous)LíonfarNí líonfarAn líonfar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)LíonfainnI would fillNí líonfainnI would not fillAn líonfainn?Would I fill?
tú (you)LíonfáYou would fillNí líonfáYou would not fillAn líonfá?Would you fill?
sé / sí (he / she)Líonfadh sé / síHe would fillNí líonfadh sé / síHe would not fillAn líonfadh sé / sí?Would he fill?
sinn (we)LíonfaimisWe would fillNí líonfaimisWe would not fillAn líonfaimis?Would we fill?
sibh (you, plural)Líonfadh sibhYou would fillNí líonfadh sibhYou would not fillAn líonfadh sibh?Would you fill?
siad (they)LíonfaidísThey would fillNí líonfaidísThey would not fillAn líonfaidís?Would they fill?
saorbhriathar (autonomous)LíonfaíNí líonfaíAn líonfaí?

“Líon” in a sentence: Irish examples

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

Líon sí an citeal le huisce fuar.
She filled the kettle with cold water.
Líonann sé an carr le peitreal gach Aoine.
He fills the car with petrol every Friday.
Líonfaidh mé an fhoirm amárach.
I will fill in the form tomorrow.
Líonfainn do ghloine dá mbeadh fíon fágtha.
I would fill your glass if there were wine left.
Níor líon an halla aréir.
The hall didn't fill up last night.
Ar líon tú an buicéad fós?
Did you fill the bucket yet?

Other verbs in Irish

More everyday Irish verbs to learn next.

To fill in Irish: frequently asked questions

What is the Irish for to fill?

The Irish for to fill is líon (pronounced “leen”). It is a first-conjugation verb; the verbal noun is líonadh.

What is the verbal noun of líon?

The verbal noun of líon is líonadh, used after ag for the continuous: ag líonadh (filling). The verbal adjective is líonta.

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

Past: Líon mé; negative Níor líon mé; question Ar líon mé?. Future: Líonfaidh mé; negative Ní líonfaidh mé; question An líonfaidh mé?.

What is the modh coinníollach of líon?

The conditional (modh coinníollach) first person is Líonfainn (I would fill); negative Ní líonfainn; question An líonfainn?.

Does líon have more than one meaning?

Yes. Líon can mean to fill, to fill in or to flood, depending on context; the first is the most common.

What is the opposite of 'líon'?

The opposite is 'folmhaigh', to empty: 'Líon an buicéad' means fill the bucket, 'Folmhaigh an buicéad' means empty it.

Is 'líon' also a noun?

Yes, the noun 'líon' means number or full complement, as in 'líon na ndaoine' (the number of people), and also linen or flax, and a net.

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