HeyRua Get the app

Antonymous in Irish (frithchiallach): Meaning, Forms, Examples

Other uses of ‘frithchiallach’: antonym (noun, masculine)

The Irish for antonymous is frithchiallach: focal frithchiallach, an antonymous word.
Updated October 2026Report a mistake

How to say “antonymous” in Irish

Irish:
frithchiallach
English:
antonymous
Word type:
adjective
More antonymous:
níos frithchiallaí
Most antonymous:
is frithchiallaí
Plural:
frithchiallacha
Pronunciation:
“FRIH-hee-al-ukh”  /ˈfʲɾʲɪhiəl̪ˠəx/

What does “frithchiallach” mean?

antonymous
Having the opposite meaning to another word.Also: opposite in meaning, antonymic.
Other entries for “frithchiallach”

The same spelling has its own page as:

“Frithchiallach” after a noun

An Irish adjective comes after its noun. Here is frithchiallach after focal (word, masculine), after aidiacht (adjective, feminine) and after a plural.

after a masculine nounfocal frithchiallachan antonymous word
after a feminine nounaidiacht fhrithchiallachan antonymous adjective
after a plural nounfocail fhrithchiallachaantonymous words

séimhiú (the h) the ending

feminine
aidiachtadjective
+
frithchiallachantonymous
=
aidiacht fhrithchiallachan antonymous adjective

After a feminine noun the adjective gets a séimhiú, an h after its first letter: aidiacht fhrithchiallach. After a masculine noun it stays as it is: focal frithchiallach.

plural
focailwords
+
frithchiallachaantonymous, plural
=
focail fhrithchiallachaantonymous words

With a plural noun the adjective takes its plural form, frithchiallacha. It also gets an h after a plural that ends in a slender consonant: focail fhrithchiallacha; after other plurals it does not: aidiachtaí frithchiallacha.

More antonymous, most antonymous, very antonymous

níosmore
+
frithchiallaíantonymous
=
níos frithchiallaímore antonymous
ismost
+
frithchiallaíantonymous
=
is frithchiallaímost antonymous

Tá an péire seo níos frithchiallaí ná an péire eile. This pair is more clearly opposite than the other pair.

more antonymousníos frithchiallaíin the past tense: ní ba fhrithchiallaí
most antonymousis frithchiallaíin the past tense: ba fhrithchiallaí
as antonymous aschomh frithchiallach leno change after chomh
very antonymousan-fhrithchiallachan- lenites, except d, t and s
too antonymousrófhrithchiallachró- lenites

“Frithchiallach” in a sentence: Irish examples

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

Is focal frithchiallach é "beag" do "mór".
"Small" is an antonymous word for "big".
Aimsigh aidiacht fhrithchiallach do "te".
Find an antonymous adjective for "hot".
Scríobh síos na focail fhrithchiallacha sa liosta.
Write down the antonymous words in the list.
Tá an péire seo níos frithchiallaí ná an péire eile.
This pair is more clearly opposite than the other pair.
Tá an dá fhocal sin frithchiallach.
Those two words are antonymous.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Antonymous in Irish: frequently asked questions

What is the Irish for antonymous?

The Irish for antonymous is frithchiallach (pronounced “FRIH-hee-al-ukh”). It comes after the noun: focal frithchiallach, an antonymous word; aidiacht fhrithchiallach, an antonymous adjective.

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

níos frithchiallaí is more antonymous and is frithchiallaí is most antonymous. In the past tense they become ní ba fhrithchiallaí and ba fhrithchiallaí.

Why does frithchiallach become fhrithchiallach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So aidiacht fhrithchiallach (an antonymous adjective) but focal frithchiallach (an antonymous word), because focal is masculine.

What is the plural of frithchiallach?

With a plural noun frithchiallach becomes frithchiallacha: focail fhrithchiallacha, aidiachtaí frithchiallacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very antonymous in Irish?

an-fhrithchiallach. Too antonymous is rófhrithchiallach, and as antonymous as is chomh frithchiallach le.

What is the opposite of 'frithchiallach'?

The opposite is 'comhchiallach', meaning synonymous, as in 'focail chomhchiallacha', synonyms.

How do I say 'an antonym' as a noun?

Use the noun 'frithchiallach' itself, or 'focal frithchiallach', an antonymous word.

Learn Irish by
actually speaking it

Learn everyday Irish words like frithchiallach through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen