HeyRua Get the app

Plastic in Irish (Plaisteach): Meaning, Pronunciation, Usage

The Irish for plastic is plaisteach, a masculine noun (plural plaistigh).
Updated October 2026Report a mistake

How to say “plastic” in Irish

Irish:
plaisteach
English:
plastic
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“PLASH-tyukh”  /ˈpˠlˠaʃtʲəx/
Various forms
Plural:
plaistigh (plastics)
Genitive singular:
plaistigh, an phlaistigh (e.g. mála plaistigh, plastic bag)
Genitive plural:
plaisteach, na bplaisteach (e.g. athchúrsáil na bplaisteach, the recycling of the plastics)

What does “plaisteach” mean?

plastic
A light, man-made material that can be shaped when soft and is used to make many everyday objects.Also: plastics, plastic material.

“Plaisteach” with the article

The plural of plastic in Irish is plaistigh. Here is plaisteach after the article (an t-alt), in the singular and the plural.

an plaisteach
the plastic
No change after an
na plaistigh
the plastics
Plural: no change after na

“Plaisteach” in a sentence: Irish examples

Common Irish sentences using plaisteach, the Irish word for plastic.

Tá an buidéal seo déanta as plaisteach.
This bottle is made of plastic.
Cuir an plaisteach sa bhosca athchúrsála.
Put the plastic in the recycling box.
Ar mhaith leat mála plaistigh?
Would you like a plastic bag?
Tá an iomarca plaistigh san fharraige anois.
There is too much plastic in the sea now.
Clúdaigh an bia le plaisteach.
Cover the food with plastic.
Ní maith liom cupáin phlaistigh ar chor ar bith.
I don't like plastic cups at all.

Other nouns in Irish

More everyday Irish nouns to learn next.

Plastic in Irish: frequently asked questions

What is the Irish for plastic?

The Irish for plastic is plaisteach (pronounced “PLASH-tyukh”). It’s a masculine noun and the plural is plaistigh.

How do you pronounce plaisteach in Irish?

Plaisteach is said like “PLASH-tyukh” (IPA /ˈpˠlˠaʃtʲəx/).

What is the plural of plastic in Irish?

The plural of plaisteach is plaistigh; with the article, na plaistigh means “the plastics”. The genitive plural is plaisteach, as in athchúrsáil na bplaisteach (the recycling of the plastics).

Why does plaisteach change to phlaisteach or bplaisteach?

Irish changes the start of some words after certain words. After mo (my) plaisteach becomes mo phlaisteach (lenition), and after ár (our) or i (in) it becomes ár bplaisteach (eclipsis).

How do I say 'plastic' as an adjective, as in 'plastic bag'?

Irish usually uses the genitive of the noun: mála plaistigh, 'plastic bag'. The adjective plaisteach also exists, often meaning 'pliable' or 'plastic' in a technical sense.

Learn Irish by
actually speaking it

Learn everyday Irish words like plaisteach through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen