Ní shéimhítear aidiacht san uimhir iolra de ghnáth.
An adjective isn’t usually lenited in the plural.
| Uimhir uatha Singular | Uimhir iolra Plural |
| scrúdú deacair (a) difficult exam | scrúduithe deacra difficult exams |
| bialann dheas (a) nice restaurant | bialanna deasa nice restaurants |
Séimhítear aidiacht san iolra, áfach, nuair a leanann sí ainmfhocal a chríochnaíonn ar chonsan caol.
An adjective is lenited in the plural, however, when it follows a noun which ends in a slender consonant.
Bíonn míthuiscint ann go minic faoi cad is consan caol ann. Ceapann daoine, mar shampla, gur consan caol é -í ag deireadh ainmfhocail agus, dá bhrí sin, cuireann siad séimhiú ar fhocal a leanann -í san uimhir iolra.
There’s often confusion as to what a slender consonant is. People think, for example, that -í at the end of a noun is a slender consonant and, because of that, they lenite the word that follows -í in the plural.
Seo samplaí d’ainmfhocail san iolra agus consan caol ag a ndeireadh: mic, bailéid, teaghlaigh, scannail
Here are examples of nouns in the plural ending on a slender consonant: mic, bailéid, teaghlaigh, scannail
na teaghlaigh bheaga
the small families
fir dheasa
nice men
Bíonn an riail thuas i gceist fiú nuair a bhíonn na litreacha d, n, t, l, s ag teacht le chéile ag deireadh an ainmfhocail agus ag tús an haidiachta.
The above rule applies even when the letters d, n, t, l, s come together at the end of the noun and at the beginning of the adjective.
turais dheacra
difficult journeys
amhráin dheasa
nice songs
Nuair a bhíonn uimhir idir 2 agus 19 roimh ainmfhocal + aidiacht, cuirtear an aidiacht san uimhir iolra agus séimhítear í.
When a number between 2 and 19 precedes a noun + adjective, the adjective is in the plural and it’s lenited.
trí chathaoir ghorma
three blue chairs
seacht mbuidéal ghlasa
seven green bottles