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Ineffective in Irish (ainéifeachtach): Meaning, Forms, Examples

The Irish for ineffective is ainéifeachtach: leigheas ainéifeachtach, an ineffective cure.
Updated October 2026Report a mistake

How to say “ineffective” in Irish

Irish:
ainéifeachtach
English:
ineffective
Word type:
adjective
More ineffective:
níos ainéifeachtaí
Most ineffective:
is ainéifeachtaí
Plural:
ainéifeachtacha
Pronunciation:
“AN-ay-fakh-takh”  /anʲeːfʲəxtəx/

What does “ainéifeachtach” mean?

ineffective
Not producing the result that was intended or wanted.Also: ineffectual, inefficient, useless, unsuccessful.

“Ainéifeachtach” after a noun

An Irish adjective comes after its noun. Here is ainéifeachtach after leigheas (cure, masculine), after cóir (justice, feminine) and after a plural.

after a masculine nounleigheas ainéifeachtachan ineffective cure
after a feminine nouncóir ainéifeachtachan ineffective justice
after a plural nounleigheasanna ainéifeachtachaineffective cures

séimhiú (the h) the ending

plural
leigheasannacures
+
ainéifeachtachaineffective, plural
=
leigheasanna ainéifeachtachaineffective cures

With a plural noun the adjective takes its plural form, ainéifeachtacha.

More ineffective, most ineffective, very ineffective

níosmore
+
ainéifeachtaíineffective
=
níos ainéifeachtaímore ineffective
ismost
+
ainéifeachtaíineffective
=
is ainéifeachtaímost ineffective

Bhí an plean nua níos ainéifeachtaí ná an seanphlean. The new plan was more ineffective than the old plan.

more ineffectiveníos ainéifeachtaíin the past tense: ní b'ainéifeachtaí
most ineffectiveis ainéifeachtaíin the past tense: ab ainéifeachtaí
as ineffective aschomh hainéifeachtach lechomh puts an h before a vowel
very ineffectivean-ainéifeachtachan- lenites, except d, t and s
too ineffectiveró-ainéifeachtachró- lenites

“Ainéifeachtach” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Ba leigheas ainéifeachtach é sin don slaghdán.
That was an ineffective cure for the cold.
Bhí an chóir leighis ainéifeachtach ar fad.
The treatment was completely ineffective.
Cuireadh deireadh leis na polasaithe ainéifeachtacha.
The ineffective policies were ended.
Bhí an plean nua níos ainéifeachtaí ná an seanphlean.
The new plan was more ineffective than the old plan.
Tá an druga seo ainéifeachtach.
This drug is ineffective.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Ineffective in Irish: frequently asked questions

What is the Irish for ineffective?

The Irish for ineffective is ainéifeachtach (pronounced “AN-ay-fakh-takh”). It comes after the noun: leigheas ainéifeachtach, an ineffective cure; cóir ainéifeachtach, an ineffective justice.

How do you say more ineffective and most ineffective in Irish?

níos ainéifeachtaí is more ineffective and is ainéifeachtaí is most ineffective. In the past tense they become ní b'ainéifeachtaí and ab ainéifeachtaí.

What is the plural of ainéifeachtach?

With a plural noun ainéifeachtach becomes ainéifeachtacha: leigheasanna ainéifeachtacha, córacha ainéifeachtacha.

How do you say very ineffective in Irish?

an-ainéifeachtach. Too ineffective is ró-ainéifeachtach, and as ineffective as is chomh hainéifeachtach le.

What is the opposite of ainéifeachtach?

The opposite is éifeachtach, meaning effective. The prefix ain- makes it negative, much like neamhéifeachtach.

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