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Spontaneous in Irish (spontáineach): Meaning, Forms, Examples

The Irish for spontaneous is spontáineach: gáire spontáineach, a spontaneous laugh.
Updated October 2026Report a mistake

How to say “spontaneous” in Irish

Irish:
spontáineach
English:
spontaneous
Word type:
adjective
More spontaneous:
níos spontáiní
Most spontaneous:
is spontáiní
Plural:
spontáineacha
Pronunciation:
“SPON-taw-nyukh”  /ˈspɔnt̪ˠaːnʲəx/

What does “spontáineach” mean?

spontaneous
Happening or done naturally and without planning or outside cause.Also: unplanned, impromptu, natural.

“Spontáineach” after a noun

An Irish adjective comes after its noun. Here is spontáineach after gáire (laugh, masculine), after girseach (girl, feminine) and after a plural.

after a masculine noungáire spontáineacha spontaneous laugh
after a feminine noungirseach spontáineacha spontaneous girl
after a plural noungáirí spontáineachaspontaneous laughs

séimhiú (the h) the ending

plural
gáirílaughs
+
spontáineachaspontaneous, plural
=
gáirí spontáineachaspontaneous laughs

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

More spontaneous, most spontaneous, very spontaneous

níosmore
+
spontáiníspontaneous
=
níos spontáinímore spontaneous
ismost
+
spontáiníspontaneous
=
is spontáinímost spontaneous

Tá Seán níos spontáiní ná a dheartháir. Seán is more spontaneous than his brother.

more spontaneousníos spontáiníin the past tense: ní ba spontáiní
most spontaneousis spontáiníin the past tense: ba spontáiní
as spontaneous aschomh spontáineach leno change after chomh
very spontaneousan-spontáineachan- lenites, except d, t and s
too spontaneousróspontáineachró- lenites

“Spontáineach” in a sentence: Irish examples

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

Bhí gáire spontáineach ar a aghaidh.
There was a spontaneous laugh on his face.
Thug sí óráid spontáineach ag an gcóisir.
She gave a spontaneous speech at the party.
Is maith liom imeachtaí spontáineacha.
I like spontaneous events.
Tá Seán níos spontáiní ná a dheartháir.
Seán is more spontaneous than his brother.
Bhí an bualadh bos spontáineach.
The applause was spontaneous.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Spontaneous in Irish: frequently asked questions

What is the Irish for spontaneous?

The Irish for spontaneous is spontáineach (pronounced “SPON-taw-nyukh”). It comes after the noun: gáire spontáineach, a spontaneous laugh; girseach spontáineach, a spontaneous girl.

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

níos spontáiní is more spontaneous and is spontáiní is most spontaneous. In the past tense they become ní ba spontáiní and ba spontáiní.

What is the plural of spontáineach?

With a plural noun spontáineach becomes spontáineacha: gáirí spontáineacha, girseacha spontáineacha.

How do you say very spontaneous in Irish?

an-spontáineach. Too spontaneous is róspontáineach, and as spontaneous as is chomh spontáineach le.

How do I say 'on the spur of the moment' instead of using spontáineach?

You can say 'ar spreang' or 'gan réamhsmaoineamh' for something done on impulse, while 'spontáineach' describes the act itself.

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