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Inflection in Irish (Infhilleadh): Meaning, Pronunciation, Usage

The Irish for inflection is infhilleadh, a masculine noun (plural infhillteacha). Ag infhilleadh is inflecting, from the verb infhill.
Updated October 2026Report a mistake

How to say “inflection” in Irish

Irish:
infhilleadh
English:
inflection
Word type:
noun (verbal noun)
Verbal noun of:
infhill, to inflect (ag infhilleadh, inflecting)
Gender:
masculine
Pronunciation:
“IN-il-yoo”  /ˈɪnʲˌɪlʲə/
Various forms
Plural:
infhillteacha (inflections)
Genitive singular:
infhillidh, an infhillidh (e.g. rialacha an infhillidh, the rules of inflection)
Genitive plural:
infhillteacha, na n-infhillteacha (e.g. foirmeacha na n-infhillteacha, the forms of the inflections)

What does “infhilleadh” mean?

inflection
In grammar, a change in the ending or form of a word to show case, number, tense or similar features.Also: inflexion, grammatical ending, word ending.

“Infhilleadh” as a verbal noun

After ag, infhilleadh means inflecting: it is the verbal noun of the verb infhill (to inflect). A noun that follows it goes into the genitive.

agat
+
infhilleadhverbal noun
=
ag infhilleadhinflecting

“Infhilleadh” with the article

The plural of inflection in Irish is infhillteacha. Here is infhilleadh after the article (an t-alt), in the singular and the plural.

an t-infhilleadh
the inflection
Masculine nouns take t before a vowel after an
na hinfhillteacha
the inflections
Plural: na adds h before a vowel

“Infhilleadh” in a sentence: Irish examples

Common Irish sentences using infhilleadh, the Irish word for inflection.

Is infhilleadh é an deireadh sin.
That ending is an inflection.
Tá an t-infhilleadh casta sa Ghaeilge.
Inflection is complicated in Irish.
Ní thuigim rialacha an infhillidh fós.
I still don't understand the rules of inflection.
Tá go leor infhillteacha ag an mbriathar seo.
This verb has a lot of inflections.
Foghlaim na hinfhillteacha de ghlanmheabhair.
Learn the inflections off by heart.
Is beag infhilleadh atá fágtha sa Bhéarla.
There is little inflection left in English.
Labhair an múinteoir faoi infhilleadh an ainmfhocail.
The teacher talked about the inflection of the noun.

Other nouns in Irish

More everyday Irish nouns to learn next.

Inflection in Irish: frequently asked questions

What is the Irish for inflection?

The Irish for inflection is infhilleadh (pronounced “IN-il-yoo”). It’s a masculine noun and the plural is infhillteacha.

How do you pronounce infhilleadh in Irish?

Infhilleadh is said like “IN-il-yoo” (IPA /ˈɪnʲˌɪlʲə/).

What is the plural of inflection in Irish?

The plural of infhilleadh is infhillteacha; with the article, na hinfhillteacha means “the inflections”. The genitive plural is infhillteacha, as in foirmeacha na n-infhillteacha (the forms of the inflections).

Why does infhilleadh sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-infhilleadh (the inflection), a hinfhilleadh (her inflection), a n-infhilleadh (their inflection), na hinfhillteacha (the inflections).

How is 'infhilleadh' different from 'díochlaonadh'?

Infhilleadh is the general term for inflection of any word, while díochlaonadh refers specifically to the declension of nouns and adjectives, and réimniú to verb conjugation.

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