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Aggressive in Irish (ionsaitheach): Meaning, Forms, Examples

Other uses of ‘ionsaitheach’: attacking · incident

The Irish for aggressive is ionsaitheach: madra ionsaitheach, an aggressive dog.
Updated October 2026Report a mistake

How to say “aggressive” in Irish

Irish:
ionsaitheach
English:
aggressive, attacking, incident
Word type:
adjective
More aggressive:
níos ionsaithí
Most aggressive:
is ionsaithí
Plural:
ionsaitheacha
Pronunciation:
“UN-see-hukh”  /ˈʊnsˠiːhəx/

What does “ionsaitheach” mean?

“Ionsaitheach” has three alternative meanings. The most common comes first.

aggressive
Ready or inclined to attack others, hostile in manner.Also: attacking, offensive, assertive.
2 other meanings: attacking or incident
2attacking
Going on the attack, especially in sport or war.Also: offensive, on the attack.
3incident
Of light or rays, falling on or striking a surface.Also: striking.

“Ionsaitheach” after a noun

An Irish adjective comes after its noun. Here is ionsaitheach after madra (dog, masculine), after foireann (team, feminine) and after a plural.

after a masculine nounmadra ionsaitheachan aggressive dog
after a feminine nounfoireann ionsaitheachan aggressive team
after a plural nounmadraí ionsaitheachaaggressive dogs

séimhiú (the h) the ending

plural
madraídogs
+
ionsaitheachaaggressive, plural
=
madraí ionsaitheachaaggressive dogs

With a plural noun the adjective takes its plural form, ionsaitheacha.

More aggressive, most aggressive, very aggressive

níosmore
+
ionsaithíaggressive
=
níos ionsaithímore aggressive
ismost
+
ionsaithíaggressive
=
is ionsaithímost aggressive

Bhí sé níos ionsaithí ná a dheartháir. He was more aggressive than his brother.

more aggressiveníos ionsaithíin the past tense: ní b'ionsaithí
most aggressiveis ionsaithíin the past tense: ab ionsaithí
as aggressive aschomh hionsaitheach lechomh puts an h before a vowel
very aggressivean-ionsaitheachan- lenites, except d, t and s
too aggressiveró-ionsaitheachró- lenites

“Ionsaitheach” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Tá madra ionsaitheach ag an bhfeirmeoir.
The farmer has an aggressive dog.
D'imir foireann ionsaitheach go maith inné.
An attacking team played well yesterday.
Ní maith liom daoine ionsaitheacha.
I don't like aggressive people.
Bhí sé níos ionsaithí ná a dheartháir.
He was more aggressive than his brother.
Tá an tarbh sin an-ionsaitheach.
That bull is very aggressive.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Aggressive in Irish: frequently asked questions

What is the Irish for aggressive?

The Irish for aggressive is ionsaitheach (pronounced “UN-see-hukh”). It comes after the noun: madra ionsaitheach, an aggressive dog; foireann ionsaitheach, an aggressive team.

How do you say more aggressive and most aggressive in Irish?

níos ionsaithí is more aggressive and is ionsaithí is most aggressive. In the past tense they become ní b'ionsaithí and ab ionsaithí.

What is the plural of ionsaitheach?

With a plural noun ionsaitheach becomes ionsaitheacha: madraí ionsaitheacha, foirne ionsaitheacha.

How do you say very aggressive in Irish?

an-ionsaitheach. Too aggressive is ró-ionsaitheach, and as aggressive as is chomh hionsaitheach le.

Does ionsaitheach have more than one meaning?

Yes. Ionsaitheach can mean aggressive, attacking or incident, depending on context; the first is the most common.

What noun is 'ionsaitheach' related to?

It comes from 'ionsaí', an attack, and the verb 'ionsaigh', to attack; an attacker is 'ionsaitheoir'.

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