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Lesson in Irish (Ceacht): Meaning, Pronunciation, Usage

‘ceacht’ also means: exercise · lesson (experience)

The Irish for lesson is ceacht, a masculine noun (plural ceachtanna).
Updated October 2026Report a mistake

How to say “lesson” in Irish

Irish:
ceacht
English:
lesson, exercise, lesson (experience)
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“kyakht”  /cæxt̪ˠ/
Various forms
Plural:
ceachtanna (lessons)
Genitive singular:
ceachta, an cheachta (e.g. tús an cheachta, the start of the lesson)
Genitive plural:
ceachtanna, na gceachtanna (e.g. leabhar na gceachtanna, the lesson book)

What does “ceacht” mean?

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

lesson
A period of teaching or a piece of learning given to a student or class.Also: class, teaching.
2 other meanings: exercise or lesson (experience)
2exercise
A task or piece of work set for practice, especially in school.Also: task, homework exercise.
3lesson (experience)
Something learned from experience, often a hard or useful truth.Also: lesson, moral, warning.

Other Irish words for lesson: rang (class)

“Ceacht” with the article

The plural of lesson in Irish is ceachtanna. Here is ceacht after the article (an t-alt), in the singular and the plural.

an ceacht
the lesson
No change after an
na ceachtanna
the lessons
Plural: no change after na

“Ceacht” in a sentence: Irish examples

Common Irish sentences using ceacht, the Irish word for lesson.

Bhí ceacht Fraincise againn ar maidin.
We had a French lesson this morning.
Thosaigh an ceacht ag a naoi a chlog.
The lesson started at nine o'clock.
Ní raibh mé ag éisteacht i lár an cheachta.
I wasn't listening in the middle of the lesson.
Tá na ceachtanna ceoil an-daor anois.
The music lessons are very expensive now.
Rinne mé mo cheachtanna sula ndeachaigh mé amach.
I did my homework before I went out.
Tá rud éigin suimiúil sa cheacht seo.
There's something interesting in this lesson.
Ba cheacht maith dó é sin.
That was a good lesson for him.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lesson in Irish: frequently asked questions

What is the Irish for lesson?

The Irish for lesson is ceacht (pronounced “kyakht”). It’s a masculine noun and the plural is ceachtanna. Depending on context it can also mean exercise or lesson (experience).

How do you pronounce ceacht in Irish?

Ceacht is said like “kyakht” (IPA /cæxt̪ˠ/).

What is the plural of lesson in Irish?

The plural of ceacht is ceachtanna; with the article, na ceachtanna means “the lessons”. The genitive plural is ceachtanna, as in leabhar na gceachtanna (the lesson book).

Does ceacht have more than one meaning?

Yes. Ceacht can mean lesson, exercise or lesson (experience), depending on context; the first is the most common.

Why does ceacht change to cheacht or gceacht?

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

How do I say 'homework' in Irish?

Use obair bhaile in general; a specific set lesson to learn can be called ceacht, as in 'Rinne mé mo cheachtanna'.

How do I say 'that taught me a lesson'?

You can say 'Ba cheacht dom é sin' or 'Mhúin sé ceacht dom'.

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