faisnéiseach

Irish

Etymology

From faisnéis +‎ -ach.

Adjective

faisnéiseach (genitive singular masculine faisnéisigh, genitive singular feminine faisnéisí, plural faisnéiseacha, comparative faisnéisí)

1. informative
2. (grammar) predicative

Declension

Declension of faisnéiseach

	singular		plural (m/f)
Positive	masculine	feminine	(strong noun)	(weak noun)
nominative	faisnéiseach	fhaisnéiseach	faisnéiseacha; fhaisnéiseacha2
vocative	fhaisnéisigh		faisnéiseacha
genitive		faisnéisí	faisnéiseacha	faisnéiseach
dative	faisnéiseach; fhaisnéiseach1	fhaisnéiseach; fhaisnéisigh (archaic)	faisnéiseacha; fhaisnéiseacha2
Comparative	níos faisnéisí
Superlative	is faisnéisí

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 faisnéiseach

radical	lenition	eclipsis
faisnéiseach	fhaisnéiseach	bhfaisnéiseach

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) “faisnéiseach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• de Bhaldraithe, Tomás (1959) “faisnéiseach”, in English-Irish Dictionary, An Gúm
• “faisnéiseach”, in New English-Irish Dictionary, Foras na Gaeilge, 2013-2025