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Unknown in Irish (anaithnid): Meaning, Forms, Examples

Other uses of ‘anaithnid’: anonymous

The Irish for unknown is anaithnid: fear anaithnid, an unknown man.
Updated October 2026Report a mistake

How to say “unknown” in Irish

Irish:
anaithnid
English:
unknown, anonymous
Word type:
adjective
More unknown:
níos anaithnide
Most unknown:
is anaithnide
Plural:
anaithnide
Pronunciation:
“AN-a-nid”  /ˈanənʲɪdʲ/

What does “anaithnid” mean?

“Anaithnid” has two alternative meanings. The most common comes first.

unknown
Not known or not recognised by people.Also: unfamiliar, unidentified, strange.
1 other meaning: anonymous
2anonymous
Having a name that is not known or not given.Also: nameless, unnamed.

“Anaithnid” after a noun

An Irish adjective comes after its noun. Here is anaithnid after fear (man, masculine), after áit (place, feminine) and after a plural.

after a masculine nounfear anaithnidan unknown man
after a feminine nounáit anaithnidan unknown place
after a plural nounfir anaithnideunknown men

séimhiú (the h) the ending

plural
firmen
+
anaithnideunknown, plural
=
fir anaithnideunknown men

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

More unknown, most unknown, very unknown

níosmore
+
anaithnideunknown
=
níos anaithnidemore unknown
ismost
+
anaithnideunknown
=
is anaithnidemost unknown
more unknownníos anaithnidein the past tense: ní b'anaithnide
most unknownis anaithnidein the past tense: ab anaithnide
as unknown aschomh hanaithnid lechomh puts an h before a vowel
very unknownan-anaithnidan- lenites, except d, t and s
too unknownró-anaithnidró- lenites

“Anaithnid” in a sentence: Irish examples

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

Tháinig fear anaithnid chuig an doras.
An unknown man came to the door.
Chuamar isteach in áit anaithnid.
We went into an unknown place.
Bhí daoine anaithnide sa halla.
There were unknown people in the hall.
Is údar anaithnid é go fóill.
He is still an unknown author.
Tá an scríbhneoir anaithnid go fóill.
The writer is still unknown.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Unknown in Irish: frequently asked questions

What is the Irish for unknown?

The Irish for unknown is anaithnid (pronounced “AN-a-nid”). It comes after the noun: fear anaithnid, an unknown man; áit anaithnid, an unknown place.

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

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

What is the plural of anaithnid?

With a plural noun anaithnid becomes anaithnide: fir anaithnide, áiteanna anaithnide.

How do you say very unknown in Irish?

an-anaithnid. Too unknown is ró-anaithnid, and as unknown as is chomh hanaithnid le.

Does anaithnid have more than one meaning?

Yes. Anaithnid can mean unknown or anonymous, depending on context; the first is the most common.

What is the opposite of 'anaithnid'?

The word 'aithnid' means known, as in 'is aithnid dom é' (I know him); 'anaithnid' adds the negative prefix 'an-' to mean unknown.

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