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Alternate in Irish (ailtéarnach): Meaning, Forms, Examples

Other uses of ‘ailtéarnach’: alternating

The Irish for alternate is ailtéarnach: sruth ailtéarnach, an alternate stream.
Updated October 2026Report a mistake

How to say “alternate” in Irish

Irish:
ailtéarnach
English:
alternate, alternating
Word type:
adjective
More alternate:
níos ailtéarnaí
Most alternate:
is ailtéarnaí
Plural:
ailtéarnacha
Pronunciation:
“AL-chair-nukh”  /ˈalʲtʲeːɾˠn̪ˠəx/

What does “ailtéarnach” mean?

“Ailtéarnach” has two alternative meanings. The most common comes first.

alternate
Happening or following in turns, first one and then the other.Also: alternating, in turns, every other.
1 other meaning: alternating
2alternating
Used of an electric current that changes direction regularly.Also: ac.

“Ailtéarnach” after a noun

An Irish adjective comes after its noun. Here is ailtéarnach after sruth (stream, masculine), after líne (line, feminine) and after a plural.

after a masculine nounsruth ailtéarnachan alternate stream
after a feminine nounlíne ailtéarnachan alternate line
after a plural nounsruthanna ailtéarnachaalternate streams

séimhiú (the h) the ending

plural
sruthannastreams
+
ailtéarnachaalternate, plural
=
sruthanna ailtéarnachaalternate streams

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

More alternate, most alternate, very alternate

níosmore
+
ailtéarnaíalternate
=
níos ailtéarnaímore alternate
ismost
+
ailtéarnaíalternate
=
is ailtéarnaímost alternate

Tá an patrún seo níos ailtéarnaí ná an ceann eile. This pattern is more alternating than the other one.

more alternateníos ailtéarnaíin the past tense: ní b'ailtéarnaí
most alternateis ailtéarnaíin the past tense: ab ailtéarnaí
as alternate aschomh hailtéarnach lechomh puts an h before a vowel
very alternatean-ailtéarnachan- lenites, except d, t and s
too alternateró-ailtéarnachró- lenites

“Ailtéarnach” in a sentence: Irish examples

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

Úsáideann an gléas seo sruth ailtéarnach.
This device uses alternating current.
Tá dath dearg ar gach líne ailtéarnach.
Every alternate line is red.
Bhí sruthanna ailtéarnacha sa chiorcad.
There were alternating currents in the circuit.
Tá an patrún seo níos ailtéarnaí ná an ceann eile.
This pattern is more alternating than the other one.
Tá an sruth ailtéarnach.
The current is alternating.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Alternate in Irish: frequently asked questions

What is the Irish for alternate?

The Irish for alternate is ailtéarnach (pronounced “AL-chair-nukh”). It comes after the noun: sruth ailtéarnach, an alternate stream; líne ailtéarnach, an alternate line.

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

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

What is the plural of ailtéarnach?

With a plural noun ailtéarnach becomes ailtéarnacha: sruthanna ailtéarnacha, línte ailtéarnacha.

How do you say very alternate in Irish?

an-ailtéarnach. Too alternate is ró-ailtéarnach, and as alternate as is chomh hailtéarnach le.

Does ailtéarnach have more than one meaning?

Yes. Ailtéarnach can mean alternate or alternating, depending on context; the first is the most common.

How do you say 'alternating current' in Irish?

Alternating current is 'sruth ailtéarnach', and direct current is 'sruth díreach'.

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