From mór- (“big-”) + béal (“mouth”) + -ach.
mórbhéalach (genitive singular masculine mórbhéalaigh, genitive singular feminine mórbhéalaí, plural mórbhéalacha, comparative mórbhéalaí)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | mórbhéalach | mhórbhéalach | mórbhéalacha; mhórbhéalacha² | |
| Vocative | mhórbhéalaigh | mórbhéalacha | ||
| Genitive | mórbhéalaí | mórbhéalacha | mórbhéalach | |
| Dative | mórbhéalach; mhórbhéalach¹ |
mhórbhéalach; mhórbhéalaigh (archaic) |
mórbhéalacha; mhórbhéalacha² | |
| Comparative | níos mórbhéalaí | |||
| Superlative | is mórbhéalaí | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| mórbhéalach | mhórbhéalach | not applicable |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||