costasach

Irish edit

Alternative forms edit

costaiseach

Etymology edit

From costas (“cost, expense”) +‎ -ach.

Adjective edit

costasach (genitive singular masculine costasaigh, genitive singular feminine costasaí, plural costasacha, comparative costasaí)

costly, expensive; sumptuous
Synonyms: costasúil, daor

Declension edit

Declension of costasach

Positive	Masculine	Feminine	(strong noun)	(weak noun)
	Singular		Plural (m/f)
Nominative	costasach	chostasach	costasacha; chostasacha²
Vocative	chostasaigh	chostasach	costasacha
Genitive	chostasaigh	costasaí	costasacha	costasach
Dative	costasach; chostasach¹	chostasach; chostasaigh (archaic)	costasacha; chostasacha²
Comparative	níos costasaí
Superlative	is costasaí

¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.

Related terms edit

costasúlacht, costasacht (“costliness; sumptuousness”)

Mutation edit

Irish mutation
Radical	Lenition	Eclipsis
costasach	chostasach	gcostasach
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.