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Seismic in Irish (seismeach): Meaning, Forms, Examples

The Irish for seismic is seismeach: crith seismeach, a seismic trembling.
Updated October 2026Report a mistake

How to say “seismic” in Irish

Irish:
seismeach
English:
seismic
Word type:
adjective
More seismic:
níos seismí
Most seismic:
is seismí
Plural:
seismeacha
Pronunciation:
“SHESH-mukh”  /ˈʃɛʃmʲəx/

What does “seismeach” mean?

seismic
Relating to earthquakes or vibrations of the earth.Also: earthquake-related, of earthquakes.

“Seismeach” after a noun

An Irish adjective comes after its noun. Here is seismeach after crith (trembling, masculine), after tubaiste (disaster, feminine) and after a plural.

after a masculine nouncrith seismeacha seismic trembling
after a feminine nountubaiste sheismeacha seismic disaster
after a plural nouncreathanna seismeachaseismic tremblings

séimhiú (the h) the ending

feminine
tubaistedisaster
+
seismeachseismic
=
tubaiste sheismeacha seismic disaster

After a feminine noun the adjective gets a séimhiú, an h after its first letter: tubaiste sheismeach. After a masculine noun it stays as it is: crith seismeach.

plural
creathannatremblings
+
seismeachaseismic, plural
=
creathanna seismeachaseismic tremblings

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

More seismic, most seismic, very seismic

níosmore
+
seismíseismic
=
níos seismímore seismic
ismost
+
seismíseismic
=
is seismímost seismic

Tá an réigiún seo níos seismí ná an ceann eile. This region is more seismic than the other one.

more seismicníos seismíin the past tense: ní ba sheismí
most seismicis seismíin the past tense: ba sheismí
as seismic aschomh seismeach leno change after chomh
very seismican-seismeachan- lenites, except d, t and s
too seismicrósheismeachró- lenites

“Seismeach” in a sentence: Irish examples

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

Taifeadadh crith seismeach sa cheantar aréir.
A seismic tremor was recorded in the area last night.
Bhuail tonn sheismeach an cósta go tobann.
A seismic wave suddenly struck the coast.
Bhí cúinsí seismeacha ina gcúis leis an tubaiste.
Seismic causes were behind the disaster.
Tá an réigiún seo níos seismí ná an ceann eile.
This region is more seismic than the other one.
Tá an limistéar sin an-seismeach.
That area is very seismic.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Seismic in Irish: frequently asked questions

What is the Irish for seismic?

The Irish for seismic is seismeach (pronounced “SHESH-mukh”). It comes after the noun: crith seismeach, a seismic trembling; tubaiste sheismeach, a seismic disaster.

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

níos seismí is more seismic and is seismí is most seismic. In the past tense they become ní ba sheismí and ba sheismí.

Why does seismeach become sheismeach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So tubaiste sheismeach (a seismic disaster) but crith seismeach (a seismic trembling), because crith is masculine.

What is the plural of seismeach?

With a plural noun seismeach becomes seismeacha: creathanna seismeacha, tubaistí seismeacha.

How do you say very seismic in Irish?

an-seismeach. Too seismic is rósheismeach, and as seismic as is chomh seismeach le.

What is the Irish noun for an earthquake?

An earthquake is 'crith talún', and 'seismeach' is the adjective used for anything relating to earthquakes, as in 'gníomhaíocht sheismeach' (seismic activity).

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