From an tSibéir (“Siberia”) + -ach.
Sibéarach (genitive singular masculine Sibéaraigh, genitive singular feminine Sibéaraí, plural Sibéaracha, not comparable)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | Sibéarach | Shibéarach | Sibéaracha; Shibéaracha² | |
| Vocative | Shibéaraigh | Sibéaracha | ||
| Genitive | Sibéaraí | Sibéaracha | Sibéarach | |
| Dative | Sibéarach; Shibéarach¹ |
Shibéarach; Shibéaraigh (archaic) |
Sibéaracha; Shibéaracha² | |
| Comparative | níos Sibéaraí | |||
| Superlative | is Sibéaraí | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
Sibéarach m (genitive singular Sibéaraigh, nominative plural Sibéaraigh)
|
Bare forms:
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Forms with the definite article:
|
| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| Sibéarach | Shibéarach after an, tSibéarach |
not applicable |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||