taisdíonach

Irish

Etymology

From tais (“damp, moist, humid”) +‎ díonach (“impermeable, proof”).

Adjective

taisdíonach (genitive singular masculine taisdíonaigh, genitive singular feminine taisdíonaí, plural taisdíonacha, comparative taisdíonaí)

1. dampproof

   Synonym: taisdíonta

Declension

Declension of taisdíonach

Positive	singular		plural
	masculine	feminine	strong noun	weak noun
nominative	taisdíonach	thaisdíonach	taisdíonacha; thaisdíonacha2
vocative	thaisdíonaigh		taisdíonacha
genitive		taisdíonaí	taisdíonacha	taisdíonach
dative	taisdíonach; thaisdíonach1	thaisdíonach; thaisdíonaigh (archaic)	taisdíonacha; thaisdíonacha2
Comparative	níos taisdíonaí
Superlative	is taisdíonaí

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 taisdíonach

radical	lenition	eclipsis
taisdíonach	thaisdíonach	dtaisdíonach

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

Further reading

• Ó Dónaill, Niall (1977) “taisdíonach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• de Bhaldraithe, Tomás (1959) “taisdíonach”, in English-Irish Dictionary, An Gúm
• “taisdíonach”, in New English-Irish Dictionary, Foras na Gaeilge, 2013-2025