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Instrument in Irish (Ionstraim): Meaning, Pronunciation, Usage

‘ionstraim’ also means: musical instrument · legal instrument

The Irish for instrument is ionstraim, a feminine noun (plural ionstraimí).
Updated October 2026Report a mistake

How to say “instrument” in Irish

Irish:
ionstraim
English:
instrument, musical instrument, legal instrument
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“UN-strim”  /ˈʊnˠsˠt̪ˠɾˠəmʲ/
Various forms
Plural:
ionstraimí (instruments)
Genitive singular:
ionstraime, na hionstraime (e.g. cás na hionstraime, the instrument's case)
Genitive plural:
ionstraimí, na n-ionstraimí (e.g. seinm na n-ionstraimí, the playing of the instruments)

What does “ionstraim” mean?

“Ionstraim” has three alternative meanings. The most common comes first.

instrument
A tool or device used for a particular task, especially a precise or scientific one.Also: tool, device, implement.
2 other meanings: musical instrument or legal instrument
2musical instrument
An object such as a fiddle or flute used to make music.Also: instrument.
3legal instrument
A formal legal document, such as a statutory instrument or deed.Also: statutory instrument, instrument, deed.

“Ionstraim” with the article

The plural of instrument in Irish is ionstraimí. Here is ionstraim after the article (an t-alt), in the singular and the plural.

an ionstraim
the instrument
No change: feminine nouns starting with a vowel keep their form after an
na hionstraimí
the instruments
Plural: na adds h before a vowel

“Ionstraim” in a sentence: Irish examples

Common Irish sentences using ionstraim, the Irish word for instrument.

Seinneann sí ionstraim sa bhanna scoile.
She plays an instrument in the school band.
Cén ionstraim a sheinneann tú?
What instrument do you play?
Bhí an ionstraim briste nuair a tháinig sé.
The instrument was broken when it arrived.
Chaill mé cás na hionstraime ar an traein.
I lost the instrument case on the train.
Tá go leor ionstraimí sa cheolfhoireann.
There are lots of instruments in the orchestra.
D'fhág mé m'ionstraim sa scoil inné.
I left my instrument at school yesterday.
Úsáideann an dochtúir ionstraimí géara san obráid.
The doctor uses sharp instruments in the operation.

Other nouns in Irish

More everyday Irish nouns to learn next.

Instrument in Irish: frequently asked questions

What is the Irish for instrument?

The Irish for instrument is ionstraim (pronounced “UN-strim”). It’s a feminine noun and the plural is ionstraimí. Depending on context it can also mean musical instrument or legal instrument.

How do you pronounce ionstraim in Irish?

Ionstraim is said like “UN-strim” (IPA /ˈʊnˠsˠt̪ˠɾˠəmʲ/).

What is the plural of instrument in Irish?

The plural of ionstraim is ionstraimí; with the article, na hionstraimí means “the instruments”. The genitive plural is ionstraimí, as in seinm na n-ionstraimí (the playing of the instruments).

Does ionstraim have more than one meaning?

Yes. Ionstraim can mean instrument, musical instrument or legal instrument, depending on context; the first is the most common.

Why does ionstraim sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an ionstraim (the instrument), a hionstraim (her instrument), a n-ionstraim (their instrument), na hionstraimí (the instruments).

What is the difference between 'ionstraim' and 'uirlis'?

'Uirlis' is the everyday word for a tool or for a musical instrument (uirlis cheoil), while 'ionstraim' is more formal and is used for precise, scientific, musical and legal instruments.

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