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Delenition in Irish (Díshéimhiú): Meaning, Pronunciation, Usage

The Irish for delenition is díshéimhiú, a masculine noun (plural díshéimhithe).
Updated October 2026Report a mistake

How to say “delenition” in Irish

Irish:
díshéimhiú
English:
delenition
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“DEE-hay-voo”  /ˈdʲiːˌheːvʲuː/
Various forms
Plural:
díshéimhithe (delenitions)
Genitive singular:
díshéimhithe, an díshéimhithe (e.g. riail an díshéimhithe, the rule of delenition)
Genitive plural:
díshéimhithe, na ndíshéimhithe (e.g. samplaí na ndíshéimhithe, the examples of delenition)

What does “díshéimhiú” mean?

delenition
In Irish grammar, the absence or removal of lenition where it would otherwise be expected, as with d, t or s after a word ending in n, d, t or s; verbal noun of díshéimhigh.Also: delenite, removal of lenition, blocking of lenition.

“Díshéimhiú” with the article

The plural of delenition in Irish is díshéimhithe. Here is díshéimhiú after the article (an t-alt), in the singular and the plural.

an díshéimhiú
the delenition
No change after an
na díshéimhithe
the delenitions
Plural: no change after na

“Díshéimhiú” in a sentence: Irish examples

Common Irish sentences using díshéimhiú, the Irish word for delenition.

Is coincheap gramadaí é an díshéimhiú.
Delenition is a grammatical concept.
Mhínigh an múinteoir riail an díshéimhithe dúinn.
The teacher explained the delenition rule to us.
Tá díshéimhiú le feiceáil in 'an chéad duine'.
Delenition can be seen in 'an chéad duine'.
Ní thuigim an díshéimhiú go fóill.
I still don't understand delenition.
Tá caibidil ar dhíshéimhiú sa leabhar gramadaí.
There is a chapter on delenition in the grammar book.
Déanann foghlaimeoirí botúin go minic sa díshéimhiú.
Learners often make mistakes with delenition.
Tá díshéimhithe éagsúla le fáil sa téacs seo.
Various instances of delenition are found in this text.

Other nouns in Irish

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Delenition in Irish: frequently asked questions

What is the Irish for delenition?

The Irish for delenition is díshéimhiú (pronounced “DEE-hay-voo”). It’s a masculine noun and the plural is díshéimhithe.

How do you pronounce díshéimhiú in Irish?

Díshéimhiú is said like “DEE-hay-voo” (IPA /ˈdʲiːˌheːvʲuː/).

What is the plural of delenition in Irish?

The plural of díshéimhiú is díshéimhithe; with the article, na díshéimhithe means “the delenitions”. The genitive plural is díshéimhithe, as in samplaí na ndíshéimhithe (the examples of delenition).

Why does díshéimhiú change to dhíshéimhiú or ndíshéimhiú?

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

How is díshéimhiú different from séimhiú?

Séimhiú is lenition, the softening of a consonant (bróg, an bhróg), while díshéimhiú is when that lenition is blocked or removed, for example 'an chéad duine' rather than 'dhuine'.

Does díshéimhiú mean desensitisation?

No. Díshéimhiú is a grammar term meaning delenition; desensitisation is expressed with other words such as díchíogrú.

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