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Reversal in Irish (Aisiompú): Meaning, Pronunciation, Usage

‘aisiompú’ also means: inversion · retrogression

The Irish for reversal is aisiompú, a masculine noun. Ag aisiompú is reversing, from the verb aisiompaigh.
Updated October 2026Report a mistake

How to say “reversal” in Irish

Irish:
aisiompú
English:
reversal, inversion, retrogression
Word type:
noun (verbal noun)
Verbal noun of:
aisiompaigh, to reverse (ag aisiompú, reversing)
Gender:
masculine
Pronunciation:
“ASH-im-poo”  /ˈaʃɪmˌpˠuː/
Various forms
Genitive singular:
aisiompaithe, an aisiompaithe (e.g. próiseas an aisiompaithe, the process of reversal)

What does “aisiompú” mean?

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

reversal
The act of reversing or turning something back the other way; verbal noun of the verb aisiompaigh.Also: reversing, turning back.
2 other meanings: inversion or retrogression
2inversion
The act of inverting something or turning it upside down or the other way round.Also: inverting, turning upside down.
3retrogression
A going back to an earlier or worse state.Also: regression, going backwards.

“Aisiompú” as a verbal noun

After ag, aisiompú means reversing: it is the verbal noun of the verb aisiompaigh (to reverse). A noun that follows it goes into the genitive.

agat
+
aisiompúverbal noun
=
ag aisiompúreversing

“Aisiompú” with the article

Here is aisiompú after the article (an t-alt).

an t-aisiompú
the reversal
Masculine nouns take t before a vowel after an

“Aisiompú” in a sentence: Irish examples

Common Irish sentences using aisiompú, the Irish word for reversal.

Ní féidir aisiompú a dhéanamh ar an gcinneadh sin.
That decision cannot be reversed.
Chuir an t-aisiompú iontas ar gach duine.
The reversal surprised everyone.
Bhí costas an aisiompaithe an-ard.
The cost of the reversal was very high.
Tá aisiompú le feiceáil sa phatrún seo.
An inversion can be seen in this pattern.
Iarradh aisiompú an pholasaí nua.
A reversal of the new policy was requested.
Is aisiompú iomlán é seo ar an seanphlean.
This is a complete reversal of the old plan.
Labhair siad faoi aisiompú sa gheilleagar.
They talked about a regression in the economy.

Other nouns in Irish

More everyday Irish nouns to learn next.

Reversal in Irish: frequently asked questions

What is the Irish for reversal?

The Irish for reversal is aisiompú (pronounced “ASH-im-poo”). It’s a masculine noun. Depending on context it can also mean inversion or retrogression.

How do you pronounce aisiompú in Irish?

Aisiompú is said like “ASH-im-poo” (IPA /ˈaʃɪmˌpˠuː/).

Does aisiompú have a plural?

No plural form is given for aisiompú in the standard. Many abstract and mass nouns in Irish have no plural.

Does aisiompú have more than one meaning?

Yes. Aisiompú can mean reversal, inversion or retrogression, depending on context; the first is the most common.

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-aisiompú (the reversal), a haisiompú (her reversal), a n-aisiompú (their reversal).

How is aisiompú different from iompú?

Iompú is simply turning, while aisiompú, with the prefix ais- meaning back, is turning something back or reversing it.

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