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Watchful in Irish (airdeallach): Meaning, Forms, Examples

Other uses of ‘airdeallach’: careful

The Irish for watchful is airdeallach: garda airdeallach, a watchful police officer.
Updated October 2026Report a mistake

How to say “watchful” in Irish

Irish:
airdeallach
English:
watchful, careful
Word type:
adjective
More watchful:
níos airdeallaí
Most watchful:
is airdeallaí
Plural:
airdeallacha
Pronunciation:
“AR-jal-ukh”  /ˈaɾʲdʲəl̪ˠəx/

What does “airdeallach” mean?

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

watchful
Paying close attention and on the lookout for danger or problems.Also: alert, vigilant, on guard, wary.
1 other meaning: careful
2careful
Taking care and being cautious about what you do.Also: cautious, wary.

“Airdeallach” after a noun

An Irish adjective comes after its noun. Here is airdeallach after garda (police officer, masculine), after máthair (mother, feminine) and after a plural.

after a masculine noungarda airdeallacha watchful police officer
after a feminine nounmáthair airdeallacha watchful mother
after a plural noungardaí airdeallachawatchful police officers

séimhiú (the h) the ending

plural
gardaípolice officers
+
airdeallachawatchful, plural
=
gardaí airdeallachawatchful police officers

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

More watchful, most watchful, very watchful

níosmore
+
airdeallaíwatchful
=
níos airdeallaímore watchful
ismost
+
airdeallaíwatchful
=
is airdeallaímost watchful

Caithfidh tú a bheith níos airdeallaí ar an mbóthar. You must be more careful on the road.

more watchfulníos airdeallaíin the past tense: ní b'airdeallaí
most watchfulis airdeallaíin the past tense: ab airdeallaí
as watchful aschomh hairdeallach lechomh puts an h before a vowel
very watchfulan-airdeallachan- lenites, except d, t and s
too watchfulró-airdeallachró- lenites

“Airdeallach” in a sentence: Irish examples

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

Bhí garda airdeallach ag an doras.
There was a watchful guard at the door.
Is máthair airdeallach í.
She is a watchful mother.
Bhí na saighdiúirí airdeallach i rith na hoíche.
The soldiers were alert during the night.
Caithfidh tú a bheith níos airdeallaí ar an mbóthar.
You must be more careful on the road.
Tá an madra an-airdeallach.
The dog is very alert.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Watchful in Irish: frequently asked questions

What is the Irish for watchful?

The Irish for watchful is airdeallach (pronounced “AR-jal-ukh”). It comes after the noun: garda airdeallach, a watchful police officer; máthair airdeallach, a watchful mother.

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

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

What is the plural of airdeallach?

With a plural noun airdeallach becomes airdeallacha: gardaí airdeallacha, máithreacha airdeallacha.

How do you say very watchful in Irish?

an-airdeallach. Too watchful is ró-airdeallach, and as watchful as is chomh hairdeallach le.

Does airdeallach have more than one meaning?

Yes. Airdeallach can mean watchful or careful, depending on context; the first is the most common.

Which preposition goes with airdeallach?

Use 'ar': 'bí airdeallach ar an trácht' means 'watch out for the traffic'.

How does airdeallach differ from aireach?

Both mean careful or attentive; 'airdeallach' stresses alertness to danger, while 'aireach' is more general attentiveness.

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