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Questioning in Irish (ceisteach): Meaning, Forms, Examples

Other uses of ‘ceisteach’: interrogative · doubtful

The Irish for questioning is ceisteach: leanbh ceisteach, a questioning child.
Updated October 2026Report a mistake

How to say “questioning” in Irish

Irish:
ceisteach
English:
questioning, interrogative, doubtful
Word type:
adjective
More questioning:
níos ceistí
Most questioning:
is ceistí
Plural:
ceisteacha
Pronunciation:
“KESH-tyukh”  /ˈcɛʃtʲəx/

What does “ceisteach” mean?

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

questioning
Asking questions or showing that you want to know something; inquisitive.Also: inquisitive, curious, inquiring.
2 other meanings: interrogative or doubtful
2interrogative
In grammar, used to ask a question, as in an interrogative pronoun or form.Also: question.
3doubtful
Open to question or uncertain.Also: questionable, uncertain.

“Ceisteach” after a noun

An Irish adjective comes after its noun. Here is ceisteach after leanbh (child, masculine), after bean (woman, feminine) and after a plural.

after a masculine nounleanbh ceisteacha questioning child
after a feminine nounbean cheisteacha questioning woman
after a plural nounleanaí ceisteachaquestioning children

séimhiú (the h) the ending

feminine
beanwoman
+
ceisteachquestioning
=
bean cheisteacha questioning woman

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bean cheisteach. After a masculine noun it stays as it is: leanbh ceisteach.

plural
leanaíchildren
+
ceisteachaquestioning, plural
=
leanaí ceisteachaquestioning children

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

More questioning, most questioning, very questioning

níosmore
+
ceistíquestioning
=
níos ceistímore questioning
ismost
+
ceistíquestioning
=
is ceistímost questioning

Tá an mac níos ceistí ná an iníon. The son is more inquisitive than the daughter.

more questioningníos ceistíin the past tense: ní ba cheistí
most questioningis ceistíin the past tense: ba cheistí
as questioning aschomh ceisteach leno change after chomh
very questioningan-cheisteachan- lenites, except d, t and s
too questioningrócheisteachró- lenites

“Ceisteach” in a sentence: Irish examples

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

Bhí cuma cheisteach ar an leanbh ceisteach.
The questioning child had a puzzled look.
Thug sí féachaint cheisteach orm.
She gave me a questioning look.
Bíonn páistí ceisteach i gcónaí.
Children are always inquisitive.
Tá an mac níos ceistí ná an iníon.
The son is more inquisitive than the daughter.
Tá sé an-cheisteach faoi gach rud.
He is very inquisitive about everything.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Questioning in Irish: frequently asked questions

What is the Irish for questioning?

The Irish for questioning is ceisteach (pronounced “KESH-tyukh”). It comes after the noun: leanbh ceisteach, a questioning child; bean cheisteach, a questioning woman.

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

níos ceistí is more questioning and is ceistí is most questioning. In the past tense they become ní ba cheistí and ba cheistí.

Why does ceisteach become cheisteach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean cheisteach (a questioning woman) but leanbh ceisteach (a questioning child), because leanbh is masculine.

What is the plural of ceisteach?

With a plural noun ceisteach becomes ceisteacha: leanaí ceisteacha, mná ceisteacha.

How do you say very questioning in Irish?

an-cheisteach. Too questioning is rócheisteach, and as questioning as is chomh ceisteach le.

Does ceisteach have more than one meaning?

Yes. Ceisteach can mean questioning, interrogative or doubtful, depending on context; the first is the most common.

What is the difference between 'ceisteach' and 'fiosrach'?

'Fiosrach' is the usual word for curious or inquisitive, while 'ceisteach' stresses asking questions, and is also the grammar term, as in 'forainm ceisteach'.

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