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Definition 2025

feidhm

feidhm

Irish

Noun

feidhm f ‎(genitive singular feidhme, nominative plural feidhmeanna)

use, application
service
function
business, affair
effect, effectiveness
need, necessity
Níl feidhm é sin a dhéanamh.‎
There’s no need to do that.

Declension

Declension of feidhm

Second declension

Bare forms

Case	Singular	Plural
Nominative	feidhm	feidhmeanna
Vocative	a fheidhm	a fheidhmeanna
Genitive	feidhme	feidhmeanna
Dative	feidhm	feidhmeanna

Forms with the definite article

Case	Singular	Plural
Nominative	an fheidhm	na feidhmeanna
Genitive	na feidhme	na bhfeidhmeanna
Dative	leis an bhfeidhm don fheidhm	leis na feidhmeanna

Synonyms

(need): gá
(function, business, affair): gnó
(service): seirbhís
(use, function): úsáid

Derived terms

Terms derived from feidhm

aonfheidhmeach ‎(“monofunctional”)
feidhmchlár ‎(“computer application”)

feidhmeannach ‎(“executive, official, agent”)

feidhmeannas ‎(“function, service; office, capacity; position, employment”)

Mutation

Irish mutation
Radical	Lenition	Eclipsis
feidhm	fheidhm	bhfeidhm
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

"feidhm" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
“feidm” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.