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To fail in Irish (clis): Meaning, Conjugation, Examples

Other uses of ‘clis’: start

The Irish for to fail is clis; ag cliseadh is failing.
Updated October 2026Report a mistake

How to say “to fail” in Irish

Irish:
clis
English:
to fail, start
Word type:
verb, first-conjugation
Verbal noun:
cliseadh (ag cliseadh, failing)
Verbal adjective:
cliste
Pronunciation:
“klish”  /klʲiʃ/

What does “clis” mean?

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

to fail
To stop working, fall short or let someone down.Also: break down, collapse, let down.
1 other meaning: start
2to start
To jump or jerk suddenly from fright or surprise.Also: jump, flinch, shy.

Other Irish verbs for to fail: teip (fail), loic (fail)

“Clis” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Chlis méI failedNíor chlis méI did not failAr chlis mé?Did I fail?
tú (you)Chlis túYou failedNíor chlis túYou did not failAr chlis tú?Did you fail?
sé / sí (he / she)Chlis sé / síHe failedNíor chlis sé / síHe did not failAr chlis sé / sí?Did he fail?
sinn (we)ChliseamarWe failedNíor chliseamarWe did not failAr chliseamar?Did we fail?
sibh (you, plural)Chlis sibhYou failedNíor chlis sibhYou did not failAr chlis sibh?Did you fail?
siad (they)Chlis siadThey failedNíor chlis siadThey did not failAr chlis siad?Did they fail?
saorbhriathar (autonomous)CliseadhNíor cliseadhAr cliseadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)ClisimI failNí chlisimI do not failAn gclisim?Do I fail?
tú (you)Cliseann túYou failNí chliseann túYou do not failAn gcliseann tú?Do you fail?
sé / sí (he / she)Cliseann sé / síHe failsNí chliseann sé / síHe does not failAn gcliseann sé / sí?Does he fail?
sinn (we)ClisimidWe failNí chlisimidWe do not failAn gclisimid?Do we fail?
sibh (you, plural)Cliseann sibhYou failNí chliseann sibhYou do not failAn gcliseann sibh?Do you fail?
siad (they)Cliseann siadThey failNí chliseann siadThey do not failAn gcliseann siad?Do they fail?
saorbhriathar (autonomous)ClistearNí chlistearAn gclistear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Clisfidh méI will failNí chlisfidh méI will not failAn gclisfidh mé?Will I fail?
tú (you)Clisfidh túYou will failNí chlisfidh túYou will not failAn gclisfidh tú?Will you fail?
sé / sí (he / she)Clisfidh sé / síHe will failNí chlisfidh sé / síHe will not failAn gclisfidh sé / sí?Will he fail?
sinn (we)ClisfimidWe will failNí chlisfimidWe will not failAn gclisfimid?Will we fail?
sibh (you, plural)Clisfidh sibhYou will failNí chlisfidh sibhYou will not failAn gclisfidh sibh?Will you fail?
siad (they)Clisfidh siadThey will failNí chlisfidh siadThey will not failAn gclisfidh siad?Will they fail?
saorbhriathar (autonomous)ClisfearNí chlisfearAn gclisfear?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)ChlisfinnI would failNí chlisfinnI would not failAn gclisfinn?Would I fail?
tú (you)ChlisfeáYou would failNí chlisfeáYou would not failAn gclisfeá?Would you fail?
sé / sí (he / she)Chlisfeadh sé / síHe would failNí chlisfeadh sé / síHe would not failAn gclisfeadh sé / sí?Would he fail?
sinn (we)ChlisfimisWe would failNí chlisfimisWe would not failAn gclisfimis?Would we fail?
sibh (you, plural)Chlisfeadh sibhYou would failNí chlisfeadh sibhYou would not failAn gclisfeadh sibh?Would you fail?
siad (they)ChlisfidísThey would failNí chlisfidísThey would not failAn gclisfidís?Would they fail?
saorbhriathar (autonomous)ChlisfíNí chlisfíAn gclisfí?

“Clis” in a sentence: Irish examples

Past, present, future and conditional, with a negative and a question.

Chlis an t-inneall orainn ar an mbóthar.
The engine broke down on us on the road.
Cliseann an solas go minic sa gheimhreadh.
The light often fails in winter.
Clisfidh an gnó mura n-athraíonn siad.
The business will fail if they don't change.
Chlis an fón orm inné.
My phone died on me yesterday.
Níor chlis a misneach riamh uirthi.
Her courage never failed her.
Ar chlis an carr arís?
Did the car break down again?

Other verbs in Irish

More everyday Irish verbs to learn next.

To fail in Irish: frequently asked questions

What is the Irish for to fail?

The Irish for to fail is clis (pronounced “klish”). It is a first-conjugation verb; the verbal noun is cliseadh.

What is the verbal noun of clis?

The verbal noun of clis is cliseadh, used after ag for the continuous: ag cliseadh (failing). The verbal adjective is cliste.

How do you say clis in the past and the future?

Past: Chlis mé; negative Níor chlis mé; question Ar chlis mé?. Future: Clisfidh mé; negative Ní chlisfidh mé; question An gclisfidh mé?.

What is the modh coinníollach of clis?

The conditional (modh coinníollach) first person is Chlisfinn (I would fail); negative Ní chlisfinn; question An gclisfinn?.

Does clis have more than one meaning?

Yes. Clis can mean to fail or to start, depending on context; the first is the most common.

Which preposition does 'clis' take?

It usually takes 'ar' for the person affected: 'chlis an carr orm' means the car broke down on me.

How is 'clis' different from 'teip'?

Both mean fail; 'teip' is the general word for failing, while 'clis' suggests breaking down or collapsing, as in 'cliseadh airgeadais', financial collapse.

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