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Mastery in Irish (Máistreacht): Meaning, Pronunciation, Usage

‘máistreacht’ also means: mastership · master's degree

The Irish for mastery is máistreacht, a feminine noun (plural máistreachtaí).
Updated October 2026Report a mistake

How to say “mastery” in Irish

Irish:
máistreacht
English:
mastery, mastership, master's degree
Word type:
noun (verbal noun)
Gender:
feminine, third declension
Pronunciation:
“MAWSH-tyruhkh-t”  /ˈmˠɑːʃtʲɾʲəxt̪ˠ/
Various forms
Plural:
máistreachtaí (masteries)
Genitive singular:
máistreachta, na máistreachta (e.g. céim mháistreachta, a master's degree)
Genitive plural:
máistreachtaí, na máistreachtaí (e.g. cláir na máistreachtaí, the master's programmes)

What does “máistreacht” mean?

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

mastery
Complete control or expert skill in something, or the act of mastering it; it is also the verbal noun of máistrigh.Also: mastering, command, expertise.
2 other meanings: mastership or master's degree
2mastership
The office or position of a master.Also: office of master.
3master's degree
Used in the genitive, as in céim mháistreachta, to mean a master's degree at university.Also: masters, master's.

“Máistreacht” with the article

The plural of mastery in Irish is máistreachtaí. Here is máistreacht after the article (an t-alt), in the singular and the plural.

an mháistreacht
the mastery
Lenition: m becomes mh after an (feminine noun)
na máistreachtaí
the masteries
Plural: no change after na

“Máistreacht” in a sentence: Irish examples

Common Irish sentences using máistreacht, the Irish word for mastery.

Tá máistreacht aici ar an bhfidil.
She has mastery of the fiddle.
Bronnadh céim mháistreachta uirthi anuraidh.
She was awarded a master's degree last year.
Tógann máistreacht teanga blianta fada.
Mastering a language takes many years.
Léirigh sé an mháistreacht a bhí aige ar an ábhar.
He showed the command he had of the subject.
Tá sí ag déanamh cúrsa máistreachta san ollscoil.
She is doing a master's course at the university.
Níl máistreacht aige fós ar an ngiotár.
He hasn't mastered the guitar yet.
Fuair mé mo chéim mháistreachta i nGaillimh.
I got my master's degree in Galway.

Other nouns in Irish

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Mastery in Irish: frequently asked questions

What is the Irish for mastery?

The Irish for mastery is máistreacht (pronounced “MAWSH-tyruhkh-t”). It’s a feminine noun and the plural is máistreachtaí. Depending on context it can also mean mastership or master's degree.

How do you pronounce máistreacht in Irish?

Máistreacht is said like “MAWSH-tyruhkh-t” (IPA /ˈmˠɑːʃtʲɾʲəxt̪ˠ/).

What is the plural of mastery in Irish?

The plural of máistreacht is máistreachtaí; with the article, na máistreachtaí means “the masteries”. The genitive plural is máistreachtaí, as in cláir na máistreachtaí (the master's programmes).

Does máistreacht have more than one meaning?

Yes. Máistreacht can mean mastery, mastership or master's degree, depending on context; the first is the most common.

Why does máistreacht change to mháistreacht?

After words like mo (my) and do (your) the first letter is lenited: mo mháistreacht. After ár (our) it stays ár máistreacht, because m does not take eclipsis.

How do I say 'master's degree' in Irish?

Use céim mháistreachta, literally 'degree of mastery'; a master's student is mac léinn máistreachta.

How do I say someone has mastered something?

Use máistreacht with ar: tá máistreacht aige ar an nGaeilge, 'he has mastered Irish'.

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