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Treasonable in Irish (tréasúil): Meaning, Forms, Examples

The Irish for treasonable is tréasúil: gníomh tréasúil, a treasonable action.
Updated October 2026Report a mistake

How to say “treasonable” in Irish

Irish:
tréasúil
English:
treasonable
Word type:
adjective
More treasonable:
níos tréasúla
Most treasonable:
is tréasúla
Plural:
tréasúla
Pronunciation:
“TRAY-a-sool”  /tʲɾʲeːəsuːlʲ/

What does “tréasúil” mean?

treasonable
Describes an act or statement that amounts to treason or betrayal of one's country.Also: treasonous, traitorous, seditious.

“Tréasúil” after a noun

An Irish adjective comes after its noun. Here is tréasúil after gníomh (action, masculine), after coir (crime, feminine) and after a plural.

after a masculine noungníomh tréasúila treasonable action
after a feminine nouncoir thréasúila treasonable crime
after a plural noungníomhartha tréasúlatreasonable actions

séimhiú (the h) the ending

feminine
coircrime
+
tréasúiltreasonable
=
coir thréasúila treasonable crime

After a feminine noun the adjective gets a séimhiú, an h after its first letter: coir thréasúil. After a masculine noun it stays as it is: gníomh tréasúil.

plural
gníomharthaactions
+
tréasúlatreasonable, plural
=
gníomhartha tréasúlatreasonable actions

With a plural noun the adjective takes its plural form, tréasúla. It also gets an h after a plural that ends in a slender consonant; after other plurals it does not: coireanna tréasúla.

More treasonable, most treasonable, very treasonable

níosmore
+
tréasúlatreasonable
=
níos tréasúlamore treasonable
ismost
+
tréasúlatreasonable
=
is tréasúlamost treasonable

Bhí an dara litir níos tréasúla ná an chéad cheann. The second letter was more treasonable than the first.

more treasonableníos tréasúlain the past tense: ní ba thréasúla
most treasonableis tréasúlain the past tense: ba thréasúla
as treasonable aschomh tréasúil leno change after chomh
very treasonablean-tréasúilan- lenites, except d, t and s
too treasonableróthréasúilró- lenites

“Tréasúil” in a sentence: Irish examples

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

Rinne sé gníomh tréasúil in aghaidh an stáit.
He committed a treasonable act against the state.
Cuireadh cúiseamh air as caint thréasúil.
He was charged over treasonable talk.
Gabhadh iad as gníomhartha tréasúla.
They were arrested for treasonable acts.
Bhí an dara litir níos tréasúla ná an chéad cheann.
The second letter was more treasonable than the first.
Dúirt an rialtas go raibh an óráid tréasúil.
The government said the speech was treasonable.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Treasonable in Irish: frequently asked questions

What is the Irish for treasonable?

The Irish for treasonable is tréasúil (pronounced “TRAY-a-sool”). It comes after the noun: gníomh tréasúil, a treasonable action; coir thréasúil, a treasonable crime.

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

níos tréasúla is more treasonable and is tréasúla is most treasonable. In the past tense they become ní ba thréasúla and ba thréasúla.

Why does tréasúil become thréasúil?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So coir thréasúil (a treasonable crime) but gníomh tréasúil (a treasonable action), because gníomh is masculine.

What is the plural of tréasúil?

With a plural noun tréasúil becomes tréasúla: gníomhartha tréasúla, coireanna tréasúla.

How do you say very treasonable in Irish?

an-tréasúil. Too treasonable is róthréasúil, and as treasonable as is chomh tréasúil le.

What is the difference between 'tréasúil' and 'fealltach'?

'Tréasúil' relates specifically to treason (tréas) against the state, while 'fealltach' means treacherous or deceitful more generally, as in 'cara fealltach', a treacherous friend.

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