costaiseach

Irish

Adjective

costaiseach (genitive singular masculine costaisigh, genitive singular feminine costaisí, plural costaiseacha, comparative costaisí)

1. Alternative form of costasach (“costly, expensive; sumptuous”)

Declension

Declension of costaiseach

	singular		plural (m/f)
Positive	masculine	feminine	(strong noun)	(weak noun)
nominative	costaiseach	chostaiseach	costaiseacha; chostaiseacha2
vocative	chostaisigh		costaiseacha
genitive		costaisí	costaiseacha	costaiseach
dative	costaiseach; chostaiseach1	chostaiseach; chostaisigh (archaic)	costaiseacha; chostaiseacha2
Comparative	níos costaisí
Superlative	is costaisí

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

Mutation

Mutated forms of costaiseach

radical	lenition	eclipsis
costaiseach	chostaiseach	gcostaiseach

Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.

References

• Ó Dónaill, Niall (1977) “costasach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN