From tábhacht (“importance, significance, substance; industry, thrift”) + -ach (adjectival suffix).
tábhachtach (genitive singular masculine tábhachtaigh, genitive singular feminine tábhachtaí, plural tábhachtacha, comparative tábhachtaí)
singular | plural (m/f) | |||
---|---|---|---|---|
Positive | masculine | feminine | (strong noun) | (weak noun) |
nominative | tábhachtach | thábhachtach | tábhachtacha; thábhachtacha2 | |
vocative | thábhachtaigh | tábhachtacha | ||
genitive | tábhachtaí | tábhachtacha | tábhachtach | |
dative | tábhachtach; thábhachtach1 |
thábhachtach; thábhachtaigh (archaic) |
tábhachtacha; thábhachtacha2 | |
Comparative | níos tábhachtaí | |||
Superlative | is tábhachtaí |
1 When the preceding noun is lenited and governed by the definite article.
2 When the preceding noun ends in a slender consonant.
radical | lenition | eclipsis |
---|---|---|
tábhachtach | thábhachtach | dtábhachtach |
Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.