mí-éifeachtach

Irish

From mí-éifeacht (“ineffectiveness”) +‎ -ach.

mí-éifeachtach (genitive singular masculine mí-éifeachtaigh, genitive singular feminine mí-éifeachtaí, plural mí-éifeachtacha, comparative mí-éifeachtaí)

Declension of mí-éifeachtach

Positive	Masculine	Feminine	(strong noun)	(weak noun)
	Singular		Plural (m/f)
Nominative	mí-éifeachtach	mhí-éifeachtach	mí-éifeachtacha; mhí-éifeachtacha²
Vocative	mhí-éifeachtaigh	mhí-éifeachtach	mí-éifeachtacha
Genitive	mhí-éifeachtaigh	mí-éifeachtaí	mí-éifeachtacha	mí-éifeachtach
Dative	mí-éifeachtach; mhí-éifeachtach¹	mhí-éifeachtach; mhí-éifeachtaigh (archaic)	mí-éifeachtacha; mhí-éifeachtacha²
Comparative	níos mí-éifeachtaí
Superlative	is mí-éifeachtaí

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
mí-éifeachtach	mhí-éifeachtach	not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.