ionsaitheach

Irish

Etymology 1

From ionsaigh (“advance upon, attack; proceed to, approach; set about, attempt; reach, attain; seek out”, verb) +‎ -ach (adjectival suffix).

Adjective

ionsaitheach (genitive singular masculine ionsaithigh, genitive singular feminine ionsaithí, plural ionsaitheacha, comparative ionsaithí)

1. attacking, aggressive
2. (optics) incident

Declension

Declension of ionsaitheach

	Singular		Plural (m/f)
Positive	Masculine	Feminine	(strong noun)	(weak noun)
Nominative	ionsaitheach	ionsaitheach	ionsaitheacha
Vocative	ionsaithigh		ionsaitheacha
Genitive		ionsaithí	ionsaitheacha	ionsaitheach
Dative	ionsaitheach	ionsaitheach; ionsaithigh (archaic)	ionsaitheacha
Comparative	níos ionsaithí
Superlative	is ionsaithí

Related terms

• (attacking, aggressive): ionsaitheoir
• (optics): ionsaitheacht

Etymology 2

From ionsaigh (verb) +‎ -ach.

Noun

ionsaitheach m (genitive singular ionsaithigh, nominative plural ionsaithigh)

1. Synonym of ionsaitheoir (“attacker, aggressor”)

Declension

Declension of ionsaitheach

First declension

Bare forms: Case Singular Plural Nominative ionsaitheach ionsaithigh Vocative a ionsaithigh a ionsaitheacha Genitive ionsaithigh ionsaitheach Dative ionsaitheach ionsaithigh

Forms with the definite article: Case Singular Plural Nominative an t-ionsaitheach na hionsaithigh Genitive an ionsaithigh na n-ionsaitheach Dative leis an ionsaitheach don ionsaitheach leis na hionsaithigh

Mutation

Irish mutation
Radical	Eclipsis	with h-prothesis	with t-prothesis
ionsaitheach	n-ionsaitheach	hionsaitheach	not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

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