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Smoke in Irish (Deatach): Meaning, Pronunciation, Usage

‘deatach’ also means: vapour · occupied house

The Irish for smoke is deatach, a masculine noun.
Updated October 2026Report a mistake

How to say “smoke” in Irish

Irish:
deatach
English:
smoke, vapour, occupied house
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“DYAT-ukh”  /ˈdʲat̪ˠəx/
Various forms
Genitive singular:
deataigh, an deataigh (e.g. boladh an deataigh, the smell of the smoke)

What does “deatach” mean?

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

smoke
The grey or black cloud that rises from something burning.Also: fumes, smoke cloud.
2 other meanings: vapour or occupied house
2vapour
Steam or vapour rising from something, such as a hot liquid or the ground.Also: steam, mist.
3occupied house
A house where people live, a home with a fire lit, as shown by smoke from its chimney.Also: inhabited house, household.

Other Irish words for smoke: toit (smoke)

“Deatach” with the article

Here is deatach after the article (an t-alt).

an deatach
the smoke
No change after an

“Deatach” in a sentence: Irish examples

Common Irish sentences using deatach, the Irish word for smoke.

Tá an seomra lán de dheatach.
The room is full of smoke.
Bhí deatach ag teacht ón simléar.
Smoke was coming from the chimney.
Chuir an deatach casacht orm.
The smoke made me cough.
Ní maith liom boladh an deataigh ar mo chuid éadaigh.
I don't like the smell of smoke on my clothes.
Chonaiceamar scamall deataigh os cionn na coille.
We saw a cloud of smoke above the wood.
Tá mo shúile tinn ón deatach.
My eyes are sore from the smoke.
Níl deatach ar bith ag teacht ón tine.
There's no smoke coming from the fire.

Other nouns in Irish

More everyday Irish nouns to learn next.

Smoke in Irish: frequently asked questions

What is the Irish for smoke?

The Irish for smoke is deatach (pronounced “DYAT-ukh”). It’s a masculine noun. Depending on context it can also mean vapour or occupied house.

How do you pronounce deatach in Irish?

Deatach is said like “DYAT-ukh” (IPA /ˈdʲat̪ˠəx/).

Does deatach have a plural?

No plural form is given for deatach in the standard. Many abstract and mass nouns in Irish have no plural.

Does deatach have more than one meaning?

Yes. Deatach can mean smoke, vapour or occupied house, depending on context; the first is the most common.

Why does deatach change to dheatach or ndeatach?

Irish changes the start of some words after certain words. After mo (my) deatach becomes mo dheatach (lenition), and after ár (our) or i (in) it becomes ár ndeatach (eclipsis).

What is the difference between 'deatach' and 'toit'?

Both mean smoke; 'deatach' is the standard general word, while 'toit' is common in Ulster and also used for a puff of smoke.

How do I say 'smoke detector' in Irish?

It is 'brathadóir deataigh', with 'deatach' in the genitive form 'deataigh'.

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