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Definition 2024
éifeachtach
éifeachtach
Irish
Adjective
éifeachtach (genitive singular masculine éifeachtaigh, genitive singular feminine éifeachtaí, plural éifeachtacha, comparative éifeachtaí)
- forceful, significant; efficacious, effective; important
- great, powerful; highly capable
Declension
Declension of éifeachtach
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | éifeachtach | éifeachtach¹ | éifeachtacha³ | |
| Vocative | éifeachtaigh¹ | éifeachtach¹ | éifeachtacha | |
| Genitive | éifeachtaigh¹ | éifeachtaí (obsolete) éifeachtaighe |
éifeachtacha | éifeachtach |
| Dative | éifeachtach² | éifeachtach¹ (archaic) éifeachtaigh¹ |
éifeachtacha³ | |
| Comparative | éifeachtaí (obsolete) éifeachtaighe |
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¹ This form is lenited after a noun if possible.
² This form is lenited if possible when the preceding noun is lenited and governed by the definite article.
³ This form is lenited if possible when the preceding noun ends in a slender consonant.
Derived terms
- ainéifeachtach (“ineffective”, adjective)
- neamhéifeachtach (“ineffective; inefficient”, adjective)
Mutation
| Irish mutation | |||
|---|---|---|---|
| Radical | Eclipsis | with h-prothesis | with t-prothesis |
| éifeachtach | n-éifeachtach | héifeachtach | t-éifeachtach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | |||
References
- "éifeachtach" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- “éifechtach” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.