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Straining in Irish (Síothlú): Meaning, Pronunciation, Usage

‘síothlú’ also means: draining away · passing away

The Irish for straining is síothlú, a masculine noun. Ag síothlú is straining, from the verb síothlaigh.
Updated October 2026Report a mistake

How to say “straining” in Irish

Irish:
síothlú
English:
straining, draining away, passing away
Word type:
noun (verbal noun)
Verbal noun of:
síothlaigh, to strain (ag síothlú, straining)
Gender:
masculine, fourth declension
Pronunciation:
“SHEE-loo”  /ˈʃiːl̪ˠuː/
Various forms
Genitive singular:
síothlaithe, an tsíothlaithe (e.g. le linn an tsíothlaithe, during the straining)

What does “síothlú” mean?

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

straining
The verbal noun of 'síothlaigh': the act of straining or filtering a liquid.Also: filtering, filtration, percolation.
2 other meanings: draining away or passing away
2draining away
The act of draining away, subsiding or ebbing, as of water or strength.Also: subsiding, ebbing, seeping away.
3passing away
A gentle death or expiring, the act of passing away.Also: expiring, death, dying.

“Síothlú” as a verbal noun

After ag, síothlú means straining: it is the verbal noun of the verb síothlaigh (to strain). A noun that follows it goes into the genitive.

agat
+
síothlúverbal noun
=
ag síothlústraining

“Síothlú” with the article

Here is síothlú after the article (an t-alt).

an síothlú
the straining
No change after an

“Síothlú” in a sentence: Irish examples

Common Irish sentences using síothlú, the Irish word for straining.

Tá síothlú ag teastáil ón anraith seo.
This soup needs straining.
Rinne sí síothlú ar an mbainne.
She strained the milk.
Bhí an síothlú róthapa.
The straining was too quick.
Úsáid éadach le haghaidh an tsíothlaithe.
Use a cloth for the straining.
Bhí síothlú ag teacht ar an tuile.
The flood was subsiding.
Tar éis an tsíothlaithe, cuir siúcra leis.
After straining, add sugar.
Bhí sé ag síothlú leis go ciúin san oíche.
He was passing away quietly in the night.

Other nouns in Irish

More everyday Irish nouns to learn next.

Straining in Irish: frequently asked questions

What is the Irish for straining?

The Irish for straining is síothlú (pronounced “SHEE-loo”). It’s a masculine noun. Depending on context it can also mean draining away or passing away.

How do you pronounce síothlú in Irish?

Síothlú is said like “SHEE-loo” (IPA /ˈʃiːl̪ˠuː/).

Does síothlú have a plural?

No plural form is given for síothlú in the standard. Many abstract and mass nouns in Irish have no plural.

Does síothlú have more than one meaning?

Yes. Síothlú can mean straining, draining away or passing away, depending on context; the first is the most common.

Why does síothlú change to shíothlú?

After words like mo (my) and do (your) the first letter is lenited: mo shíothlú. After ár (our) it stays ár síothlú, because s does not take eclipsis.

Is 'síothlú' related to 'síocháin' (peace)?

No. Although both begin with 'síoth-', 'síothlú' comes from the verb 'síothlaigh' (strain, drain away), while 'síocháin' means peace.

How is the verb used for dying?

'Shíothlaigh sé' is a gentle way of saying he passed away, much like 'd'éag sé'.

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