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Encyclopedia in Irish (Ciclipéid): Meaning, Pronunciation, Usage

The Irish for encyclopedia is ciclipéid, a feminine noun (plural ciclipéidí).
Updated October 2026Report a mistake

How to say “encyclopedia” in Irish

Irish:
ciclipéid
English:
encyclopedia
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“kik-li-PAYD”  /cɪclʲɪˈpʲeːdʲ/
Various forms
Plural:
ciclipéidí (encyclopedias)
Genitive singular:
ciclipéide, na ciclipéide (e.g. leathanaigh na ciclipéide, the pages of the encyclopedia)
Genitive plural:
ciclipéidí, na gciclipéidí (e.g. eagarthóirí na gciclipéidí, the editors of the encyclopedias)

What does “ciclipéid” mean?

encyclopedia
A book or set of books, or a website, giving information on many subjects, usually arranged alphabetically.Also: encyclopaedia, reference work.

“Ciclipéid” with the article

The plural of encyclopedia in Irish is ciclipéidí. Here is ciclipéid after the article (an t-alt), in the singular and the plural.

an chiclipéid
the encyclopedia
Lenition: c becomes ch after an (feminine noun)
na ciclipéidí
the encyclopedias
Plural: no change after na

“Ciclipéid” in a sentence: Irish examples

Common Irish sentences using ciclipéid, the Irish word for encyclopedia.

Cheannaigh m'athair ciclipéid nua dúinn.
My father bought us a new encyclopedia.
Tá an chiclipéid ar an tseilf sa leabharlann.
The encyclopedia is on the shelf in the library.
Léigh mé an t-alt sin sa chiclipéid.
I read that article in the encyclopedia.
Tá an t-eolas sin i mo chiclipéid.
That information is in my encyclopedia.
Cé a scríobh an chéad imleabhar den chiclipéid?
Who wrote the first volume of the encyclopedia?
Tá go leor ciclipéidí ar líne anois.
There are lots of encyclopedias online now.
Is é eagarthóir na ciclipéide a cara.
The editor of the encyclopedia is her friend.

Other nouns in Irish

More everyday Irish nouns to learn next.

Encyclopedia in Irish: frequently asked questions

What is the Irish for encyclopedia?

The Irish for encyclopedia is ciclipéid (pronounced “kik-li-PAYD”). It’s a feminine noun and the plural is ciclipéidí.

How do you pronounce ciclipéid in Irish?

Ciclipéid is said like “kik-li-PAYD” (IPA /cɪclʲɪˈpʲeːdʲ/).

What is the plural of encyclopedia in Irish?

The plural of ciclipéid is ciclipéidí; with the article, na ciclipéidí means “the encyclopedias”. The genitive plural is ciclipéidí, as in eagarthóirí na gciclipéidí (the editors of the encyclopedias).

Why does ciclipéid change to chiclipéid or gciclipéid?

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

How do I say 'in the encyclopedia'?

Say 'sa chiclipéid', with lenition after sa because the noun is feminine.

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