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To protect in Irish (díon): Meaning, Conjugation, Examples

Other uses of ‘díon’: proof · roof · roof (noun, masculine)

The Irish for to protect is díon; ag díon is protecting.
Updated October 2026Report a mistake

How to say “to protect” in Irish

Irish:
díon
English:
to protect, proof, roof
Word type:
verb, first-conjugation
Verbal noun:
díon (ag díon, protecting)
Verbal adjective:
díonta
Pronunciation:
“deen”  /dʲiːnˠ/

What does “díon” mean?

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

to protect
To shelter or protect someone or something from harm or the weather.Also: shelter, shield, safeguard.
2 other meanings: proof or roof
2to proof
To make something resistant, especially waterproof or weatherproof.Also: waterproof, weatherproof.
3to roof
To put a roof on a building, or to thatch it.Also: thatch, cover.

Other Irish verbs for to protect: cosain (defend)

Other entries for “díon”

The same spelling has its own page as:

“Díon” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Dhíon méI protectedNíor dhíon méI did not protectAr dhíon mé?Did I protect?
tú (you)Dhíon túYou protectedNíor dhíon túYou did not protectAr dhíon tú?Did you protect?
sé / sí (he / she)Dhíon sé / síHe protectedNíor dhíon sé / síHe did not protectAr dhíon sé / sí?Did he protect?
sinn (we)DhíonamarWe protectedNíor dhíonamarWe did not protectAr dhíonamar?Did we protect?
sibh (you, plural)Dhíon sibhYou protectedNíor dhíon sibhYou did not protectAr dhíon sibh?Did you protect?
siad (they)Dhíon siadThey protectedNíor dhíon siadThey did not protectAr dhíon siad?Did they protect?
saorbhriathar (autonomous)DíonadhNíor díonadhAr díonadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)DíonaimI protectNí dhíonaimI do not protectAn ndíonaim?Do I protect?
tú (you)Díonann túYou protectNí dhíonann túYou do not protectAn ndíonann tú?Do you protect?
sé / sí (he / she)Díonann sé / síHe protectsNí dhíonann sé / síHe does not protectAn ndíonann sé / sí?Does he protect?
sinn (we)DíonaimidWe protectNí dhíonaimidWe do not protectAn ndíonaimid?Do we protect?
sibh (you, plural)Díonann sibhYou protectNí dhíonann sibhYou do not protectAn ndíonann sibh?Do you protect?
siad (they)Díonann siadThey protectNí dhíonann siadThey do not protectAn ndíonann siad?Do they protect?
saorbhriathar (autonomous)DíontarNí dhíontarAn ndíontar?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Díonfaidh méI will protectNí dhíonfaidh méI will not protectAn ndíonfaidh mé?Will I protect?
tú (you)Díonfaidh túYou will protectNí dhíonfaidh túYou will not protectAn ndíonfaidh tú?Will you protect?
sé / sí (he / she)Díonfaidh sé / síHe will protectNí dhíonfaidh sé / síHe will not protectAn ndíonfaidh sé / sí?Will he protect?
sinn (we)DíonfaimidWe will protectNí dhíonfaimidWe will not protectAn ndíonfaimid?Will we protect?
sibh (you, plural)Díonfaidh sibhYou will protectNí dhíonfaidh sibhYou will not protectAn ndíonfaidh sibh?Will you protect?
siad (they)Díonfaidh siadThey will protectNí dhíonfaidh siadThey will not protectAn ndíonfaidh siad?Will they protect?
saorbhriathar (autonomous)DíonfarNí dhíonfarAn ndíonfar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)DhíonfainnI would protectNí dhíonfainnI would not protectAn ndíonfainn?Would I protect?
tú (you)DhíonfáYou would protectNí dhíonfáYou would not protectAn ndíonfá?Would you protect?
sé / sí (he / she)Dhíonfadh sé / síHe would protectNí dhíonfadh sé / síHe would not protectAn ndíonfadh sé / sí?Would he protect?
sinn (we)DhíonfaimisWe would protectNí dhíonfaimisWe would not protectAn ndíonfaimis?Would we protect?
sibh (you, plural)Dhíonfadh sibhYou would protectNí dhíonfadh sibhYou would not protectAn ndíonfadh sibh?Would you protect?
siad (they)DhíonfaidísThey would protectNí dhíonfaidísThey would not protectAn ndíonfaidís?Would they protect?
saorbhriathar (autonomous)DhíonfaíNí dhíonfaíAn ndíonfaí?

“Díon” in a sentence: Irish examples

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

Dhíon siad an teach roimh an ngeimhreadh.
They roofed the house before the winter.
Díonann an cóta seo ón mbáisteach mé.
This coat protects me from the rain.
Díonfaidh an balla sinn ón ngaoth.
The wall will shelter us from the wind.
Dhíonfadh an t-éadach sin an t-uisce.
That cloth would keep out the water.
Níor dhíon siad an scioból go fóill.
They haven't roofed the barn yet.
Ar dhíon tú na buataisí?
Did you waterproof the boots?

Other verbs in Irish

More everyday Irish verbs to learn next.

To protect in Irish: frequently asked questions

What is the Irish for to protect?

The Irish for to protect is díon (pronounced “deen”). It is a first-conjugation verb; the verbal noun is díon.

What is the verbal noun of díon?

The verbal noun of díon is díon, used after ag for the continuous: ag díon (protecting). The verbal adjective is díonta.

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

Past: Dhíon mé; negative Níor dhíon mé; question Ar dhíon mé?. Future: Díonfaidh mé; negative Ní dhíonfaidh mé; question An ndíonfaidh mé?.

What is the modh coinníollach of díon?

The conditional (modh coinníollach) first person is Dhíonfainn (I would protect); negative Ní dhíonfainn; question An ndíonfainn?.

Does díon have more than one meaning?

Yes. Díon can mean to protect, to proof or to roof, depending on context; the first is the most common.

How do you say 'waterproof' with this verb?

The verbal adjective is used in compounds such as 'uiscedhíonta' (waterproof) and 'fuardhíonta' (coldproof).

Is 'díon' the same as the noun for roof?

The noun 'díon' means roof or shelter; the verb 'díon' means to roof, protect or proof, and its verbal noun is also 'díon'.

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