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Definition 2025
siosach
siosach
Irish
Adjective
siosach (genitive singular masculine siosaigh, genitive singular feminine siosaí, plural siosacha, comparative siosaí)
Declension
Declension of siosach
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) | 
| Nominative | siosach | siosach¹ | siosacha³ | |
| Vocative | siosaigh¹ | siosach¹ | siosacha | |
| Genitive | siosaigh¹ | siosaí (obsolete) siosaighe | siosacha | siosach | 
| Dative | siosach² | siosach¹ (archaic) siosaigh¹ | siosacha³ | |
| Comparative | siosaí (obsolete) siosaighe | |||
¹ This form is lenited after a noun if possible.
² This form is lenited if possible when the preceding noun is lenited and governed by the definite article.
³ This form is lenited if possible when the preceding noun ends in a slender consonant.
Noun
siosach m (genitive singular siosaigh, nominative plural siosaigh)
Declension
Declension of siosach
First declension
| Bare forms: 
 | Forms with the definite article: 
 | 
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 | unchanged | 
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||
References
- "siosach" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- focal.ie - Dictionary of Irish Terms - Foclóir Téarmaíochta