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Optical in Irish (optúil): Meaning, Forms, Examples

The Irish for optical is optúil: gléas optúil, an optical device.
Updated October 2026Report a mistake

How to say “optical” in Irish

Irish:
optúil
English:
optical
Word type:
adjective
More optical:
níos optúla
Most optical:
is optúla
Plural:
optúla
Pronunciation:
“OP-tool”  /ˈɔpˠt̪ˠuːlʲ/

What does “optúil” mean?

optical
Relating to sight, light or lenses and the instruments that use them.Also: optic, visual.

“Optúil” after a noun

An Irish adjective comes after its noun. Here is optúil after gléas (device, masculine), after súil (eye, feminine) and after a plural.

after a masculine noungléas optúilan optical device
after a feminine nounsúil optúilan optical eye
after a plural noungléasanna optúlaoptical devices

séimhiú (the h) the ending

plural
gléasannadevices
+
optúlaoptical, plural
=
gléasanna optúlaoptical devices

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

More optical, most optical, very optical

níosmore
+
optúlaoptical
=
níos optúlamore optical
ismost
+
optúlaoptical
=
is optúlamost optical

Tá an lionsa seo níos optúla ná an ceann eile. This lens is more optical than the other one.

more opticalníos optúlain the past tense: ní b'optúla
most opticalis optúlain the past tense: ab optúla
as optical aschomh hoptúil lechomh puts an h before a vowel
very opticalan-optúilan- lenites, except d, t and s
too opticalró-optúilró- lenites

“Optúil” in a sentence: Irish examples

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

Tá gléas optúil nua ag an eolaí.
The scientist has a new optical instrument.
Chonaic mé seachmall optúil sa leabhar.
I saw an optical illusion in the book.
Úsáidtear snáithíní optúla sa líonra.
Optical fibres are used in the network.
Tá an lionsa seo níos optúla ná an ceann eile.
This lens is more optical than the other one.
Is optúil an fhadhb í, ní fadhb leictreach.
It is an optical problem, not an electrical one.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Optical in Irish: frequently asked questions

What is the Irish for optical?

The Irish for optical is optúil (pronounced “OP-tool”). It comes after the noun: gléas optúil, an optical device; súil optúil, an optical eye.

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

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

What is the plural of optúil?

With a plural noun optúil becomes optúla: gléasanna optúla, súile optúla.

How do you say very optical in Irish?

an-optúil. Too optical is ró-optúil, and as optical as is chomh hoptúil le.

What is the Irish for 'optical fibre'?

It is 'snáithín optúil', used for fibre-optic cables in telecommunications.

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