siosach

Irish

Etymology

sios (“hiss”, verb) +‎ -ach.

Adjective

siosach (genitive singular masculine siosaigh, genitive singular feminine siosaí, plural siosacha, comparative siosaí)

1. (phonetics, etc.) hissing, sibilant

Declension

Declension of siosach

	Singular		Plural (m/f)
Positive	Masculine	Feminine	(strong noun)	(weak noun)
Nominative	siosach	shiosach	siosacha; shiosacha²
Vocative	shiosaigh		siosacha
Genitive		siosaí	siosacha	siosach
Dative	siosach; shiosach¹	shiosach; shiosaigh (archaic)	siosacha; shiosacha²
Comparative	níos siosaí
Superlative	is siosaí

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

Noun

siosach m (genitive singular siosaigh, nominative plural siosaigh)

1. (phonetics) sibilant

Declension

Declension of siosach

First declension

Bare forms: Case Singular Plural Nominative siosach siosaigh Vocative a shiosaigh a shiosacha Genitive siosaigh siosach Dative siosach siosaigh

Forms with the definite article: Case Singular Plural Nominative an siosach na siosaigh Genitive an tsiosaigh na siosach Dative leis an siosach don siosach leis na siosaigh

Related terms

• siosa m (“sibilance, hiss”)
• siosaire m (“hisser; (inveterate) whisperer”)
• siosarnach f (“(act of) hissing; whispering, rustling, sound”)
• siosóg f (“hiss; whisper”)

Mutation

Irish mutation
Radical	Lenition	Eclipsis
siosach	shiosach after an, tsiosach	not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

• Ó Dónaill, Niall (1977) “siosach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• focal.ie - Dictionary of Irish Terms - Foclóir Téarmaíochta