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Oily in Irish (olach): Meaning, Forms, Examples

The Irish for oily is olach: éadach olach, an oily cloth.
Updated October 2026Report a mistake

How to say “oily” in Irish

Irish:
olach
English:
oily
Word type:
adjective
Oilier:
níos olaí
Oiliest:
is olaí
Plural:
olacha
Pronunciation:
“UL-ukh”  /ˈɔl̪ˠəx/

What does “olach” mean?

oily
Containing, covered with or like oil.Also: oiled, greasy.

Other Irish adjectives for oily: gréisceach (greasy)

“Olach” after a noun

An Irish adjective comes after its noun. Here is olach after éadach (cloth, masculine), after lámh (hand, feminine) and after a plural.

after a masculine nounéadach olachan oily cloth
after a feminine nounlámh olachan oily hand
after a plural nounéadaí olachaoily cloths

séimhiú (the h) the ending

plural
éadaícloths
+
olachaoily, plural
=
éadaí olachaoily cloths

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

Oilier, oiliest, very oily

níosmore
+
olaíoily
=
níos olaíoilier
ismost
+
olaíoily
=
is olaíoiliest

Tá an t-iasc seo níos olaí ná an trosc. This fish is oilier than the cod.

oilierníos olaíin the past tense: ní b'olaí
oiliestis olaíin the past tense: ab olaí
as oily aschomh holach lechomh puts an h before a vowel
very oilyan-olachan- lenites, except d, t and s
too oilyró-olachró- lenites

“Olach” in a sentence: Irish examples

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

Bhí éadach olach ar an urlár sa gharáiste.
There was an oily cloth on the floor in the garage.
Ghlan sé a lámh olach le ceirt.
He cleaned his oily hand with a rag.
Caith na ceirteacha olacha amach.
Throw out the oily rags.
Tá an t-iasc seo níos olaí ná an trosc.
This fish is oilier than the cod.
Tá mo chuid gruaige olach inniu.
My hair is oily today.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Oily in Irish: frequently asked questions

What is the Irish for oily?

The Irish for oily is olach (pronounced “UL-ukh”). It comes after the noun: éadach olach, an oily cloth; lámh olach, an oily hand.

How do you say oilier and oiliest in Irish?

níos olaí is oilier and is olaí is oiliest. In the past tense they become ní b'olaí and ab olaí.

What is the plural of olach?

With a plural noun olach becomes olacha: éadaí olacha, lámha olacha.

How do you say very oily in Irish?

an-olach. Too oily is ró-olach, and as oily as is chomh holach le.

Is 'olach' the same as 'ola'?

No: 'ola' is the noun meaning oil, while 'olach' is the adjective meaning oily, as in 'craiceann olach' (oily skin).

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