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Growth in Irish (Fás): Meaning, Pronunciation, Usage

‘fás’ also means: growth of plants · sapling · to grow

The Irish for growth is fás, a masculine noun (plural fáis). Ag fás is growing, from the verb fás.
Updated October 2026Report a mistake

How to say “growth” in Irish

Irish:
fás
English:
growth, growth of plants, sapling
Word type:
noun (verbal noun)
Verbal noun of:
fás, to grow (ag fás, growing)
Gender:
masculine, first declension
Pronunciation:
“faws”  /fˠaːsˠ/
Various forms
Plural:
fáis (growths)
Genitive singular:
fáis, an fháis (e.g. ráta an fháis, the rate of growth)
Genitive plural:
fás, na bhfás (e.g. ag gearradh na bhfás, cutting the shoots)

What does “fás” mean?

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

growth
The process of growing or increasing; it is the verbal noun of the verb fás, to grow.Also: growing, increase, development.
2 other meanings: growth of plants or sapling
2growth of plants
Vegetation or crop that has grown, such as new grass or plants in a field.Also: vegetation, crop, new growth.
3sapling
A young plant, shoot or rod that is growing.Also: shoot, plant, rod.

Other Irish words for growth: forbairt (development), borradh (swelling)

Other entries for “fás”

The same spelling has its own page as:

“Fás” as a verbal noun

After ag, fás means growing: it is the verbal noun of the verb fás (to grow). A noun that follows it goes into the genitive.

agat
+
fásverbal noun
=
ag fásgrowing

“Fás” with the article

The plural of growth in Irish is fáis. Here is fás after the article (an t-alt), in the singular and the plural.

an fás
the growth
No change after an
na fáis
the growths
Plural: no change after na

“Fás” in a sentence: Irish examples

Common Irish sentences using fás, the Irish word for growth.

Tá fás mór ar an bhféar i mbliana.
The grass has grown a lot this year.
Tá an páiste ag fás go tapa.
The child is growing quickly.
Bhí fás ar an ngeilleagar anuraidh.
The economy grew last year.
Chuir an bháisteach an fás ar aghaidh.
The rain helped the growth along.
Tá ráta an fháis ag titim.
The growth rate is falling.
Tá na crainn ag fás sa ghairdín.
The trees are growing in the garden.
Bhí fás iontach ar na bláthanna i mbliana.
The flowers grew wonderfully this year.

Other nouns in Irish

More everyday Irish nouns to learn next.

Growth in Irish: frequently asked questions

What is the Irish for growth?

The Irish for growth is fás (pronounced “faws”). It’s a masculine noun and the plural is fáis. Depending on context it can also mean growth of plants or sapling.

How do you pronounce fás in Irish?

Fás is said like “faws” (IPA /fˠaːsˠ/).

What is the plural of growth in Irish?

The plural of fás is fáis; with the article, na fáis means “the growths”. The genitive plural is fás, as in ag gearradh na bhfás (cutting the shoots).

Does fás have more than one meaning?

Yes. Fás can mean growth, growth of plants or sapling, depending on context; the first is the most common. Fás also has its own entry as a verb meaning to grow.

Why does fás change to fhás or bhfás?

Irish changes the start of some words after certain words. After mo (my) fás becomes m'fhás (lenition), and after ár (our) or i (in) it becomes ár bhfás (eclipsis).

How do I say something is growing?

Use ag fás with the verb bí: Tá an féar ag fás, the grass is growing.

What does fás aon oíche mean?

It means something that sprang up overnight, often used of an upstart or a sudden success.

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