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Instillation in Irish (Insileadh): Meaning, Pronunciation, Usage

‘insileadh’ also means: infusion

The Irish for instillation is insileadh, a masculine noun (plural insiltí).
Updated October 2026Report a mistake

How to say “instillation” in Irish

Irish:
insileadh
English:
instillation, infusion
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“IN-shil-uh”  /ˈɪnʲʃɪlʲə/
Various forms
Plural:
insiltí (instillations)
Genitive singular:
insilte, an insilte (e.g. ráta an insilte, the rate of instillation)
Genitive plural:
insiltí, na n-insiltí (e.g. sraith na n-insiltí, the series of instillations)

What does “insileadh” mean?

“Insileadh” has two alternative meanings. The most common comes first.

instillation
Insileadh is the act of putting a liquid in drop by drop or slowly, such as medicine into the body or the eye; it is the verbal noun of the verb insil.Also: infusion, instilling, drip.
1 other meaning: infusion
2infusion
The gradual instilling or imparting of something, such as an idea or value, into a person's mind.Also: instilling, imparting.

“Insileadh” with the article

The plural of instillation in Irish is insiltí. Here is insileadh after the article (an t-alt), in the singular and the plural.

an t-insileadh
the instillation
Masculine nouns take t before a vowel after an
na hinsiltí
the instillations
Plural: na adds h before a vowel

“Insileadh” in a sentence: Irish examples

Common Irish sentences using insileadh, the Irish word for instillation.

Tá insileadh á thabhairt don othar anois.
The patient is being given an infusion now.
Thosaigh an t-insileadh ar a deich a chlog.
The infusion started at ten o'clock.
Bhí an bhanaltra ag faire ar ráta an insilte.
The nurse was keeping an eye on the rate of the infusion.
Beidh sraith insiltí ag teastáil uaithi.
She will need a series of infusions.
Rinne an dochtúir insileadh leighis i mo shúil.
The doctor put drops of medicine into my eye.
Fuair sé an chéad insileadh san ospidéal inné.
He got his first infusion in the hospital yesterday.
Tá insileadh luachanna maithe tábhachtach san oideachas.
Instilling good values is important in education.

Other nouns in Irish

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Instillation in Irish: frequently asked questions

What is the Irish for instillation?

The Irish for instillation is insileadh (pronounced “IN-shil-uh”). It’s a masculine noun and the plural is insiltí. Depending on context it can also mean infusion.

How do you pronounce insileadh in Irish?

Insileadh is said like “IN-shil-uh” (IPA /ˈɪnʲʃɪlʲə/).

What is the plural of instillation in Irish?

The plural of insileadh is insiltí; with the article, na hinsiltí means “the instillations”. The genitive plural is insiltí, as in sraith na n-insiltí (the series of instillations).

Does insileadh have more than one meaning?

Yes. Insileadh can mean instillation or infusion, depending on context; the first is the most common.

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-insileadh (the instillation), a hinsileadh (her instillation), a n-insileadh (their instillation), na hinsiltí (the instillations).

How is insileadh related to sileadh?

Insileadh is built from sileadh (dripping, flowing) with the prefix in-, so it means putting a liquid in drop by drop, as in instilling or infusing.

Is insileadh the same as instealladh?

No. Insileadh is an instillation or slow infusion, while instealladh is an injection given with a needle and syringe.

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