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Infrared in Irish (fodhearg): Meaning, Forms, Examples

The Irish for infrared is fodhearg: solas fodhearg, infrared light.
Updated October 2026Report a mistake

How to say “infrared” in Irish

Irish:
fodhearg
English:
infrared
Word type:
adjective
More infrared:
níos fodheirge
Most infrared:
is fodheirge
Plural:
fodhearga
Pronunciation:
“FUH-yar-ug”  /ˈfˠɔɣəˌɾʲaɾˠəɡ/

What does “fodhearg” mean?

infrared
Describes light or radiation with a wavelength just longer than red light, which the eye cannot see.Also: infra-red, ir.

“Fodhearg” after a noun

An Irish adjective comes after its noun. Here is fodhearg after solas (light, masculine), after bean (woman, feminine) and after a plural.

after a masculine nounsolas fodhearginfrared light
after a feminine nounbean fhodheargan infrared woman
after a plural nounsoilse fodheargainfrared lights

séimhiú (the h) the ending

feminine
beanwoman
+
fodhearginfrared
=
bean fhodheargan infrared woman

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bean fhodhearg. After a masculine noun it stays as it is: solas fodhearg.

plural
soilselights
+
fodheargainfrared, plural
=
soilse fodheargainfrared lights

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

More infrared, most infrared, very infrared

níosmore
+
fodheirgeinfrared
=
níos fodheirgemore infrared
ismost
+
fodheirgeinfrared
=
is fodheirgemost infrared

Tá an tonnfhad seo níos fodheirge ná an ceann eile. This wavelength is further into the infrared than the other one.

more infraredníos fodheirgein the past tense: ní b'fhodheirge
most infraredis fodheirgein the past tense: ab fhodheirge
as infrared aschomh fodhearg leno change after chomh
very infraredan-fhodheargan- lenites, except d, t and s
too infraredrófhodheargró- lenites

“Fodhearg” in a sentence: Irish examples

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

Úsáideann an ceamara solas fodhearg san oíche.
The camera uses infrared light at night.
Ní féidir radaíocht fhodhearg a fheiceáil.
Infrared radiation cannot be seen.
Tá braiteoirí fodhearga sa doras.
There are infrared sensors in the door.
Tá an tonnfhad seo níos fodheirge ná an ceann eile.
This wavelength is further into the infrared than the other one.
Tá an gathú sin fodhearg.
That radiation is infrared.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Infrared in Irish: frequently asked questions

What is the Irish for infrared?

The Irish for infrared is fodhearg (pronounced “FUH-yar-ug”). It comes after the noun: solas fodhearg, infrared light; bean fhodhearg, an infrared woman.

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

níos fodheirge is more infrared and is fodheirge is most infrared. In the past tense they become ní b'fhodheirge and ab fhodheirge.

Why does fodhearg become fhodhearg?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean fhodhearg (an infrared woman) but solas fodhearg (infrared light), because solas is masculine.

What is the plural of fodhearg?

With a plural noun fodhearg becomes fodhearga: soilse fodhearga, mná fodhearga.

How do you say very infrared in Irish?

an-fhodhearg. Too infrared is rófhodhearg, and as infrared as is chomh fodhearg le.

What is the opposite end of the spectrum called in Irish?

Beyond violet is 'ultraivialait' (ultraviolet), while beyond red is 'fodhearg' (infrared), built from 'fo' (under) and 'dearg' (red).

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