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Period in Irish (Peiriad): Meaning, Pronunciation, Usage

The Irish for period is peiriad, a masculine noun (plural peiriaid).
Updated October 2026Report a mistake

How to say “period” in Irish

Irish:
peiriad
English:
period
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“PERR-ee-ud”  /pʲɛɾʲiəd̪/
Various forms
Plural:
peiriaid (periods)
Genitive singular:
peiriaid, an pheiriaid (e.g. fad an pheiriaid, length of the period)
Genitive plural:
peiriad, na bpeiriad (e.g. fad na bpeiriad, the length of the periods)

What does “peiriad” mean?

period
A length of time with a particular character, or the time in which something regularly repeats, as in science or history.Also: era, cycle.

Other Irish words for period: tréimhse (period), téarma (term), lánstad (full stop)

“Peiriad” with the article

The plural of period in Irish is peiriaid. Here is peiriad after the article (an t-alt), in the singular and the plural.

an peiriad
the period
No change after an
na peiriaid
the periods
Plural: no change after na

“Peiriad” in a sentence: Irish examples

Common Irish sentences using peiriad, the Irish word for period.

Is peiriad fada é sin i stair na tíre.
That is a long period in the country's history.
Tomhais an peiriad go cúramach.
Measure the period carefully.
Bhí an tír ciúin le linn an pheiriaid sin.
The country was quiet during that period.
Tá peiriaid éagsúla ag na luascáin seo.
These pendulums have different periods.
Ní fhaca mé é i rith an pheiriaid ar fad.
I didn't see him for the whole period.
Rinne sí staidéar ar na peiriaid go léir.
She studied all the periods.
Tharla sé sa pheiriad céanna.
It happened in the same period.

Other nouns in Irish

More everyday Irish nouns to learn next.

Period in Irish: frequently asked questions

What is the Irish for period?

The Irish for period is peiriad (pronounced “PERR-ee-ud”). It’s a masculine noun and the plural is peiriaid.

How do you pronounce peiriad in Irish?

Peiriad is said like “PERR-ee-ud” (IPA /pʲɛɾʲiəd̪/).

What is the plural of period in Irish?

The plural of peiriad is peiriaid; with the article, na peiriaid means “the periods”. The genitive plural is peiriad, as in fad na bpeiriad (the length of the periods).

Why does peiriad change to pheiriad or bpeiriad?

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

Is 'peiriad' the usual word for a period of time?

In everyday Irish 'tréimhse' is much more usual for a period of time; 'peiriad' is mainly used in technical contexts such as physics or the periodic table.

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