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Wavy in Irish (tonnach): Meaning, Forms, Examples

Other uses of ‘tonnach’: billowy

The Irish for wavy is tonnach: folt tonnach, wavy hair.
Updated October 2026Report a mistake

How to say “wavy” in Irish

Irish:
tonnach
English:
wavy, billowy
Word type:
adjective
Wavier:
níos tonnaí
Waviest:
is tonnaí
Plural:
tonnacha
Pronunciation:
“TUN-ukh”  /ˈt̪ˠʊn̪ˠəx/

What does “tonnach” mean?

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

wavy
Having waves or a wave-like shape, such as hair or a line.Also: undulating, rippling.
1 other meaning: billowy
2billowy
Full of waves, as of a rough or choppy sea.Also: billowing, choppy, surging.

“Tonnach” after a noun

An Irish adjective comes after its noun. Here is tonnach after folt (hair, masculine), after farraige (sea, feminine) and after a plural.

after a masculine nounfolt tonnachwavy hair
after a feminine nounfarraige thonnacha wavy sea
after a plural nounfoilt thonnachawavy hairs

séimhiú (the h) the ending

feminine
farraigesea
+
tonnachwavy
=
farraige thonnacha wavy sea

After a feminine noun the adjective gets a séimhiú, an h after its first letter: farraige thonnach. After a masculine noun it stays as it is: folt tonnach.

plural
foilthairs
+
tonnachawavy, plural
=
foilt thonnachawavy hairs

With a plural noun the adjective takes its plural form, tonnacha. It also gets an h after a plural that ends in a slender consonant: foilt thonnacha; after other plurals it does not: farraigí tonnacha.

Wavier, waviest, very wavy

níosmore
+
tonnaíwavy
=
níos tonnaíwavier
ismost
+
tonnaíwavy
=
is tonnaíwaviest

Tá a cuid gruaige níos tonnaí ná mo chuidse. Her hair is wavier than mine.

wavierníos tonnaíin the past tense: ní ba thonnaí
waviestis tonnaíin the past tense: ba thonnaí
as wavy aschomh tonnach leno change after chomh
very wavyan-tonnachan- lenites, except d, t and s
too wavyróthonnachró- lenites

“Tonnach” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Tá folt tonnach dubh uirthi.
She has wavy black hair.
Bhí farraige thonnach amuigh inniu.
There was a wavy sea out there today.
Tharraing sé línte tonnacha ar an bpáipéar.
He drew wavy lines on the paper.
Tá a cuid gruaige níos tonnaí ná mo chuidse.
Her hair is wavier than mine.
Tá a cuid gruaige tonnach.
Her hair is wavy.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Wavy in Irish: frequently asked questions

What is the Irish for wavy?

The Irish for wavy is tonnach (pronounced “TUN-ukh”). It comes after the noun: folt tonnach, wavy hair; farraige thonnach, a wavy sea.

How do you say wavier and waviest in Irish?

níos tonnaí is wavier and is tonnaí is waviest. In the past tense they become ní ba thonnaí and ba thonnaí.

Why does tonnach become thonnach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So farraige thonnach (a wavy sea) but folt tonnach (wavy hair), because folt is masculine.

What is the plural of tonnach?

With a plural noun tonnach becomes tonnacha: foilt thonnacha, farraigí tonnacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very wavy in Irish?

an-tonnach. Too wavy is róthonnach, and as wavy as is chomh tonnach le.

Does tonnach have more than one meaning?

Yes. Tonnach can mean wavy or billowy, depending on context; the first is the most common.

What is the difference between 'tonnach' and 'catach'?

'Tonnach' means wavy, with gentle waves, while 'catach' means curly, with tight curls: 'gruaig thonnach' is wavy hair, 'gruaig chatach' is curly hair.

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