HeyRua Get the app

To do in Irish (déan): Meaning, Conjugation, Examples

Other uses of ‘déan’: make · become · dean (noun, masculine)

The Irish for to do is déan; ag déanamh is doing.
Updated October 2026Report a mistake

How to say “to do” in Irish

Irish:
déan
English:
to do, make, become
Word type:
verb, irregular
Verbal noun:
déanamh (ag déanamh, doing)
Verbal adjective:
déanta
Pronunciation:
“jayn”  /dʲeːnˠ/

What does “déan” mean?

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

to do
To carry out an action or task.Also: carry out, perform, act.
2 other meanings: make or become
2to make
To create, build or produce something.Also: build, create, produce, prepare.
3to become
To turn into something, used with 'de' (rinneadh dochtúir de: he became a doctor).Also: turn into, make into.
Other entries for “déan”

The same spelling has its own page as:

“Déan” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Irregular verb. Déan is one of the eleven irregular verbs in Irish, so its forms do not follow the regular pattern. After ní, an and go, the past uses the stem dearna: ní dhearna mé and an ndearna mé?

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Rinne méI didNí dhearna méI did not doAn ndearna mé?Did I do?
tú (you)Rinne túYou didNí dhearna túYou did not doAn ndearna tú?Did you do?
sé / sí (he / she)Rinne sé / síHe didNí dhearna sé / síHe did not doAn ndearna sé / sí?Did he do?
sinn (we)RinneamarWe didNí dhearnamarWe did not doAn ndearnamar?Did we do?
sibh (you, plural)Rinne sibhYou didNí dhearna sibhYou did not doAn ndearna sibh?Did you do?
siad (they)Rinne siadThey didNí dhearna siadThey did not doAn ndearna siad?Did they do?
saorbhriathar (autonomous)RinneadhNí dhearnadhAn ndearnadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)DéanaimI doNí dhéanaimI do not doAn ndéanaim?Do I do?
tú (you)Déanann túYou doNí dhéanann túYou do not doAn ndéanann tú?Do you do?
sé / sí (he / she)Déanann sé / síHe doesNí dhéanann sé / síHe does not doAn ndéanann sé / sí?Does he do?
sinn (we)DéanaimidWe doNí dhéanaimidWe do not doAn ndéanaimid?Do we do?
sibh (you, plural)Déanann sibhYou doNí dhéanann sibhYou do not doAn ndéanann sibh?Do you do?
siad (they)Déanann siadThey doNí dhéanann siadThey do not doAn ndéanann siad?Do they do?
saorbhriathar (autonomous)DéantarNí dhéantarAn ndéantar?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Déanfaidh méI will doNí dhéanfaidh méI will not doAn ndéanfaidh mé?Will I do?
tú (you)Déanfaidh túYou will doNí dhéanfaidh túYou will not doAn ndéanfaidh tú?Will you do?
sé / sí (he / she)Déanfaidh sé / síHe will doNí dhéanfaidh sé / síHe will not doAn ndéanfaidh sé / sí?Will he do?
sinn (we)DéanfaimidWe will doNí dhéanfaimidWe will not doAn ndéanfaimid?Will we do?
sibh (you, plural)Déanfaidh sibhYou will doNí dhéanfaidh sibhYou will not doAn ndéanfaidh sibh?Will you do?
siad (they)Déanfaidh siadThey will doNí dhéanfaidh siadThey will not doAn ndéanfaidh siad?Will they do?
saorbhriathar (autonomous)DéanfarNí dhéanfarAn ndéanfar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)DhéanfainnI would doNí dhéanfainnI would not doAn ndéanfainn?Would I do?
tú (you)DhéanfáYou would doNí dhéanfáYou would not doAn ndéanfá?Would you do?
sé / sí (he / she)Dhéanfadh sé / síHe would doNí dhéanfadh sé / síHe would not doAn ndéanfadh sé / sí?Would he do?
sinn (we)DhéanfaimisWe would doNí dhéanfaimisWe would not doAn ndéanfaimis?Would we do?
sibh (you, plural)Dhéanfadh sibhYou would doNí dhéanfadh sibhYou would not doAn ndéanfadh sibh?Would you do?
siad (they)DhéanfaidísThey would doNí dhéanfaidísThey would not doAn ndéanfaidís?Would they do?
saorbhriathar (autonomous)DhéanfaíNí dhéanfaíAn ndéanfaí?

“Déan” in a sentence: Irish examples

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

Rinne mé an obair bhaile aréir.
I did the homework last night.
Déanann sí an dinnéar gach tráthnóna.
She makes the dinner every evening.
Déanfaidh mé cupán tae duit.
I'll make you a cup of tea.
Dhéanfainn é dá mbeadh am agam.
I would do it if I had time.
Ní dhearna sé aon dochar.
He didn't do any harm.
An ndearna tú do leaba ar maidin?
Did you make your bed this morning?

Phrases with déan: Go ndéana Dia trócaire orthu (may they rest in peace)

Other verbs in Irish

More everyday Irish verbs to learn next.

Phrases with “déan”

To do in Irish: frequently asked questions

What is the Irish for to do?

The Irish for to do is déan (pronounced “jayn”). It is an irregular verb; the verbal noun is déanamh.

What is the verbal noun of déan?

The verbal noun of déan is déanamh, used after ag for the continuous: ag déanamh (doing). The verbal adjective is déanta.

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

Past: Rinne mé; negative Ní dhearna mé; question An ndearna mé?. Future: Déanfaidh mé; negative Ní dhéanfaidh mé; question An ndéanfaidh mé?.

What is the modh coinníollach of déan?

The conditional (modh coinníollach) first person is Dhéanfainn (I would do); negative Ní dhéanfainn; question An ndéanfainn?.

Is déan an irregular verb?

Déan is one of the eleven irregular verbs in Irish, so its forms do not follow the regular pattern. After ní, an and go, the past uses the stem dearna: ní dhearna mé and an ndearna mé? The tables above give every form.

Does déan have more than one meaning?

Yes. Déan can mean to do, to make or to become, depending on context; the first is the most common.

Why is the past tense negative 'ní dhearna' and not 'níor rinne'?

Déan uses the dependent past form 'dearna' after particles: 'ní dhearna mé é' (I didn't do it), 'an ndearna tú é?' (did you do it?).

How do I say 'forget' with déan?

Use 'déan dearmad ar': 'Rinne mé dearmad ar m'eochracha' means 'I forgot my keys'.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen