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Knocking in Irish (Cnagadh): Meaning, Pronunciation, Usage

‘cnagadh’ also means: cracking

The Irish for knocking is cnagadh, a masculine noun. Ag cnagadh is knocking, from the verb cnag.
Updated October 2026Report a mistake

How to say “knocking” in Irish

Irish:
cnagadh
English:
knocking, cracking
Word type:
noun (verbal noun)
Verbal noun of:
cnag, to knock (ag cnagadh, knocking)
Gender:
masculine
Pronunciation:
“KNOG-uh”  /ˈkn̪ˠɑɡə/
Various forms
Genitive singular:
cnagtha, an chnagtha (e.g. fuaim an chnagtha, the sound of the knocking)

What does “cnagadh” mean?

“Cnagadh” has two alternative meanings. The most common comes first.

knocking
The verbal noun of 'cnag': the act of knocking or rapping, for example on a door.Also: knock, rapping, tapping.
1 other meaning: cracking
2cracking
The act of cracking or breaking something hard, such as nuts; also a beating or thrashing.Also: crunching, beating, thrashing.

“Cnagadh” as a verbal noun

After ag, cnagadh means knocking: it is the verbal noun of the verb cnag (to knock). A noun that follows it goes into the genitive.

agat
+
cnagadhverbal noun
=
ag cnagadhknocking

“Cnagadh” with the article

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

an cnagadh
the knocking
No change after an

“Cnagadh” in a sentence: Irish examples

Common Irish sentences using cnagadh, the Irish word for knocking.

Chuala mé cnagadh ar an doras.
I heard knocking at the door.
Níor stop an cnagadh ar feadh na hoíche.
The knocking didn't stop all night.
Dhúisigh fuaim an chnagtha an leanbh.
The sound of the knocking woke the baby.
Bhí sé ag cnagadh ar an bhfuinneog.
He was knocking on the window.
Tá na páistí ag cnagadh cnónna sa chistin.
The children are cracking nuts in the kitchen.
Cén cnagadh é sin san inneall?
What is that knocking in the engine?
Thug siad cnagadh maith dó.
They gave him a good thrashing.

Other nouns in Irish

More everyday Irish nouns to learn next.

Knocking in Irish: frequently asked questions

What is the Irish for knocking?

The Irish for knocking is cnagadh (pronounced “KNOG-uh”). It’s a masculine noun. Depending on context it can also mean cracking.

How do you pronounce cnagadh in Irish?

Cnagadh is said like “KNOG-uh” (IPA /ˈkn̪ˠɑɡə/).

Does cnagadh have a plural?

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

Does cnagadh have more than one meaning?

Yes. Cnagadh can mean knocking or cracking, depending on context; the first is the most common.

Why does cnagadh change to chnagadh or gcnagadh?

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

How do I say someone is knocking at the door?

Use 'ag cnagadh' with 'ar': 'Tá duine ag cnagadh ar an doras.'

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