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Hidden in Irish (folaitheach): Meaning, Forms, Examples

Other uses of ‘folaitheach’: secret · latent

The Irish for hidden is folaitheach: bealach folaitheach, a hidden way.
Updated October 2026Report a mistake

How to say “hidden” in Irish

Irish:
folaitheach
English:
hidden, secret, latent
Word type:
adjective
More hidden:
níos folaithí
Most hidden:
is folaithí
Plural:
folaitheacha
Pronunciation:
“FUL-ih-hukh”  /ˈfˠɔlˠɪhəx/

What does “folaitheach” mean?

“Folaitheach” has three alternative meanings. The most common comes first.

hidden
Kept out of sight or not easily seen.Also: concealed, covert.
2 other meanings: secret or latent
2secret
Done or kept secretly, not known to others.Also: clandestine, furtive.
3latent
Present but not yet visible or active.Also: obscure, occult.

Other Irish adjectives for hidden: rúnda (secret)

“Folaitheach” after a noun

An Irish adjective comes after its noun. Here is folaitheach after bealach (way, masculine), after cúis (cause, feminine) and after a plural.

after a masculine nounbealach folaitheacha hidden way
after a feminine nouncúis fholaitheacha hidden cause
after a plural nounbealaí folaitheachahidden ways

séimhiú (the h) the ending

feminine
cúiscause
+
folaitheachhidden
=
cúis fholaitheacha hidden cause

After a feminine noun the adjective gets a séimhiú, an h after its first letter: cúis fholaitheach. After a masculine noun it stays as it is: bealach folaitheach.

plural
bealaíways
+
folaitheachahidden, plural
=
bealaí folaitheachahidden ways

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

More hidden, most hidden, very hidden

níosmore
+
folaithíhidden
=
níos folaithímore hidden
ismost
+
folaithíhidden
=
is folaithímost hidden

Bhí an dara doras níos folaithí ná an chéad cheann. The second door was more hidden than the first.

more hiddenníos folaithíin the past tense: ní b'fholaithí
most hiddenis folaithíin the past tense: ab fholaithí
as hidden aschomh folaitheach leno change after chomh
very hiddenan-fholaitheachan- lenites, except d, t and s
too hiddenrófholaitheachró- lenites

“Folaitheach” in a sentence: Irish examples

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

Fuair siad bealach folaitheach isteach sa chaisleán.
They found a hidden way into the castle.
Bhí cúis fholaitheach leis an achrann.
There was a hidden cause behind the quarrel.
Tá go leor seomraí folaitheacha sa teach mór.
There are many hidden rooms in the big house.
Bhí an dara doras níos folaithí ná an chéad cheann.
The second door was more hidden than the first.
Tá an t-eolas sin folaitheach fós.
That information is still hidden.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Hidden in Irish: frequently asked questions

What is the Irish for hidden?

The Irish for hidden is folaitheach (pronounced “FUL-ih-hukh”). It comes after the noun: bealach folaitheach, a hidden way; cúis fholaitheach, a hidden cause.

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

níos folaithí is more hidden and is folaithí is most hidden. In the past tense they become ní b'fholaithí and ab fholaithí.

Why does folaitheach become fholaitheach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So cúis fholaitheach (a hidden cause) but bealach folaitheach (a hidden way), because bealach is masculine.

What is the plural of folaitheach?

With a plural noun folaitheach becomes folaitheacha: bealaí folaitheacha, cúiseanna folaitheacha.

How do you say very hidden in Irish?

an-fholaitheach. Too hidden is rófholaitheach, and as hidden as is chomh folaitheach le.

Does folaitheach have more than one meaning?

Yes. Folaitheach can mean hidden, secret or latent, depending on context; the first is the most common.

What is the difference between folaitheach and rúnda?

Folaitheach stresses that something is hidden from view, while rúnda means secret or confidential, as in cáipéis rúnda, a confidential document.

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