Appendix:Irish adjectives

Irish adjectives have three declensions, each with the same case structure as the nouns (nominative, vocative, genitive, dative). The adjectives agree with nouns in case, plurality[1] and gender.[2]

The three declensions are classified by their endings: consonants; ‑úil, ‑ir; vowels. The genitive singular forms are analogous to noun declension forms:

    • 1st-masculine to noun-1st (slenderise)
    • 1st-feminine to noun-2nd (+ e[3])
    • 2nd-feminine[4] to noun-3rd (+ a)
    • 3rd to noun-4th (unchanged).

    Plurals are generally formed with the suffix ‑a. They are considered weak or strong according to the noun they qualify, and the same rule applies to the genitive plural: when weak, it is the same as the nominative singular; when strong, it is the same as the nominative plural.

    Syncopation occurs in some first declension adjectives in the genitive singular feminine, and plural. Many such plurals retain the genitive's slender form in + e.

    The comparative (and superlative) is formed regularly using the genitive singular feminine. There is a small set of irregular comparatives.

    Irish adjectives undergo initial mutation, by lenition only.[5] In the singular, agreement follows the pattern[6] of the qualified noun. In the plural, there is in general no lenition.[7] Any lenition occurs across all qualifying adjectives.[8] The dentals rule does not apply.[9]

    Quick reference table edit

    1st 2nd 3rd
    Gender m f m f m & f
    Singular Nom consonant ‑úil, ‑ir vowel
    Voc slender - - -
    Gen slender [10] + e - + a -
    Dat - slender [11] - -
    Weak Plural Noun Nom + a/e[12] + a -
    Voc + a + a -
    Gen - - -
    Dat + aibh [13] + aibh -
    Strong Plural Noun Nom + a + a -
    Voc + a + a -
    Gen + a + a -
    Dat + aibh [13] + aibh -

    First declension edit

    Irish first declension adjectives end in consonants (other than the second declension ‑úil and ‑ir).

    The genitive singular masculine (gsm) is formed in general by slenderising, although there are exceptions (and exceptions to the exceptions). The genitive singular feminine (gsf) form is analogous to the noun second declension, that is, with suffix ‑e. The plural in general is formed with suffix ‑a, but the genitive obeys the weak/strong rule in agreement with the noun qualified.

    Adjectives whose gsm is not slenderised are [14]:

    The gsf of (polysyllabic) adjectives ending in ‑ach is written ‑aí < aighe.

    Plurals in + e edit

    Slender adjectives have natural plurals in + e, e.g., ait, npl aite, maith, npl maithe.

    Syncopation edit

    When forming first declension genitive singular feminine, and plurals, unstressed vowels are often syncopated.

    • folamh, gsf, cmp foilmhe (not *folaimhe), npl folmha
    • ramhar, gsf, cmp raimhre, npl ramhra

    A couple of nouns are not syncopated in the genitive, but are in the plural.

    • bodhar, gsf, cmp bodhaire, npl bodhra
    • sleamhain, gsf, cmp sleamhaine, npl sleamhna

    If the root is slender, the plural may remain slender.

    • íseal, gsf, cmp, npl ísle
    • láidir, gsf, cmp, npl láidre
    • Exceptions (root is broad, but plural is + e) include:

    An extreme case is álainn, which loses the whole syllable:

    • álainn, gsf, cmp, npl. áille.

    Declension tables edit

    mór (big) Singular Weak Plural [15]
    m f m & f
    Nom mór mhór móra
    Voc mhóir mhór móra
    Gen mhóir ire mór
    Dat mór mhór móra
    fliuch (wet) Singular Weak Plural [15]
    m f m & f
    Nom fliuch fhliuch fliucha
    Voc fhliuch fhliuch fliucha
    Gen fhliuch fliche fliuch
    Dat fliuch fhliuch fliucha
    ramhar (fat) Singular Weak Plural [15]
    m f m & f
    Nom ramhar ramhar ramhra
    Voc ramhair ramhar ramhra
    Gen ramhair raimhre ramhar
    Dat ramhar ramhar ramhra

    Second declension edit

    Irish second declension adjectives end in ‑úil and ‑ir.

    The genitive singular masculine (gsm) of second declension adjectives, being already slender, is the same as the nominative singular. The genitive singular feminine (gsf) form is analogous to the noun third declension, that is, with suffix ‑a. The plural in general is formed with suffix ‑a, but the genitive obeys the weak/strong rule in agreement with the noun qualified.

    The adjectives in ‑úil are derived from (s)amhail[16].

    The adjectives in ‑ir are syncopated when adding the suffix ‑a, for example, deacair, gsf, npl. deacra.

    Declension tables edit

    suimiúil (interesting) Singular Weak Plural [15]
    m f m & f
    Nom suimiúil shuimiúil suimiúla
    Voc shuimiúil shuimiúil suimiúla
    Gen shuimiúil suimiúla suimiúil
    Dat suimiúil shuimiúil suimiúla
    deacair (difficult) Singular Weak Plural [15]
    m f m & f
    Nom deacair dheacair deacra
    Voc dheacair dheacair deacra
    Gen dheacair deacra deacair
    Dat deacair dheacair deacra

    Third declension edit

    Irish third declension adjectives end in vowels.

    There are no changes to third declension adjective endings.[17]

    Declension table edit

    crua (hard) Singular Weak Plural [15]
    m f m & f
    Nom crua chrua crua
    Voc chrua chrua crua
    Gen chrua crua crua
    Dat crua chrua crua

    Irregular adjectives edit

    There are very few irregular adjectives in Irish. The irregular forms get reused for the comparative.

    • breá (pretty), gsm. breá, gsf. breá, npl. breátha
    • gearr (short), gsm. gearr, gsf. giorra, npl. gearra
    • te (hot), gsm. te, gsf. te, npl. teo

    Irregular comparatives edit

    Comparatives are formed regularly by using the genitive singular feminine (gsf) form.

    There are a few irregular comparatives. A small subset has different sources than the radical:

    Fada has both irregular and regular variants:

    • fada (long), cmp. sia
    • fada (long), cmp. faide

    The irregular adjectives use their irregular form:

    • breá (pretty), cmp. breátha
    • gearr (short), cmp. giorra
    • te (hot), cmp. teo

    Others have irregular variants:

    • dócha (likely), cmp. dóichí
    • fogas (close), cmp. foisce
    • furasta (simple), cmp. fusa
    • mór (big), cmp. mó
    • tirim (dry), cmp. tirime, tiorma
    • tréan (strong), cmp. tréise, tréine

    There is also a couple of defective adjectives, with comparatives only:

    Wiktionary templates edit

    Notes edit

    1. ^ There is no trace of dual forms. After ordinals, adjectives are plural (and lenited after 2—6), e.g. dhá úll mhóra
    2. ^ Usually cited in that order, e.g. genitive singular feminine (also in Irish, ginideach uatha baininscneach)
    3. ^ Slenderise if necessary
    4. ^ 2nd-masculine adjectives, being slender, are unchanged in form
    5. ^ Eclipsis does not occur
    6. ^ Gender, case, prepositional
    7. ^ Two notable exceptions, when qualifying: weak slenderised plurals of the first declension, na cait mhóra; nouns of singular form after leniting cardinals, dhá chat mhóra
    8. ^ e.g. an bhean bheag fhionn
    9. ^ e.g., an bhean dheas
    10. ^ A significant sub-category of first declension adjectives may not be slenderised
    11. ^ Considered archaic/dialectical, but see, e.g., lámh and other Irish nouns with slender dative singular forms
    12. ^ slender adjectives, and especially after syncopation.
    13. 13.0 13.1 Archaic
    14. ^ The Official Standard, An Caighdeán Oifigiúil, 2017
    15. 15.0 15.1 15.2 15.3 15.4 15.5 Lenition when qualifying weak, slenderised first declension plurals, and singular-form nouns after cardinals, is not shown
    16. ^ cf. English -ly, German -lich
    17. ^ Initial mutations do occur where necessaary

    See also edit