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To defecate in Irish (cac): Meaning, Conjugation, Examples

Other uses of ‘cac’: excrement (noun, masculine)

The Irish for to defecate is cac; ag cac is defecating.
Updated October 2026Report a mistake

How to say “to defecate” in Irish

Irish:
cac
English:
to defecate
Word type:
verb, first-conjugation
Verbal noun:
cac (ag cac, defecating)
Verbal adjective:
cactha
Pronunciation:
“kak”  /kak/

What does “cac” mean?

to defecate
To pass solid waste from the body; a vulgar or childish word.Also: shit, poo, crap, excrete.
Other entries for “cac”

The same spelling has its own page as:

“Cac” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Chac méI defecatedNíor chac méI did not defecateAr chac mé?Did I defecate?
tú (you)Chac túYou defecatedNíor chac túYou did not defecateAr chac tú?Did you defecate?
sé / sí (he / she)Chac sé / síHe defecatedNíor chac sé / síHe did not defecateAr chac sé / sí?Did he defecate?
sinn (we)ChacamarWe defecatedNíor chacamarWe did not defecateAr chacamar?Did we defecate?
sibh (you, plural)Chac sibhYou defecatedNíor chac sibhYou did not defecateAr chac sibh?Did you defecate?
siad (they)Chac siadThey defecatedNíor chac siadThey did not defecateAr chac siad?Did they defecate?
saorbhriathar (autonomous)CacadhNíor cacadhAr cacadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)CacaimI defecateNí chacaimI do not defecateAn gcacaim?Do I defecate?
tú (you)Cacann túYou defecateNí chacann túYou do not defecateAn gcacann tú?Do you defecate?
sé / sí (he / she)Cacann sé / síHe defecatesNí chacann sé / síHe does not defecateAn gcacann sé / sí?Does he defecate?
sinn (we)CacaimidWe defecateNí chacaimidWe do not defecateAn gcacaimid?Do we defecate?
sibh (you, plural)Cacann sibhYou defecateNí chacann sibhYou do not defecateAn gcacann sibh?Do you defecate?
siad (they)Cacann siadThey defecateNí chacann siadThey do not defecateAn gcacann siad?Do they defecate?
saorbhriathar (autonomous)CactarNí chactarAn gcactar?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Cacfaidh méI will defecateNí chacfaidh méI will not defecateAn gcacfaidh mé?Will I defecate?
tú (you)Cacfaidh túYou will defecateNí chacfaidh túYou will not defecateAn gcacfaidh tú?Will you defecate?
sé / sí (he / she)Cacfaidh sé / síHe will defecateNí chacfaidh sé / síHe will not defecateAn gcacfaidh sé / sí?Will he defecate?
sinn (we)CacfaimidWe will defecateNí chacfaimidWe will not defecateAn gcacfaimid?Will we defecate?
sibh (you, plural)Cacfaidh sibhYou will defecateNí chacfaidh sibhYou will not defecateAn gcacfaidh sibh?Will you defecate?
siad (they)Cacfaidh siadThey will defecateNí chacfaidh siadThey will not defecateAn gcacfaidh siad?Will they defecate?
saorbhriathar (autonomous)CacfarNí chacfarAn gcacfar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)ChacfainnI would defecateNí chacfainnI would not defecateAn gcacfainn?Would I defecate?
tú (you)ChacfáYou would defecateNí chacfáYou would not defecateAn gcacfá?Would you defecate?
sé / sí (he / she)Chacfadh sé / síHe would defecateNí chacfadh sé / síHe would not defecateAn gcacfadh sé / sí?Would he defecate?
sinn (we)ChacfaimisWe would defecateNí chacfaimisWe would not defecateAn gcacfaimis?Would we defecate?
sibh (you, plural)Chacfadh sibhYou would defecateNí chacfadh sibhYou would not defecateAn gcacfadh sibh?Would you defecate?
siad (they)ChacfaidísThey would defecateNí chacfaidísThey would not defecateAn gcacfaidís?Would they defecate?
saorbhriathar (autonomous)ChacfaíNí chacfaíAn gcacfaí?

“Cac” in a sentence: Irish examples

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

Chac an madra ar an tsráid.
The dog pooed on the street.
Cacann na héin ar an gcarr gach lá.
The birds poo on the car every day.
Cacfaidh an leanbh sa chuimhín.
The baby will poo in the nappy.
Chacfadh an bhó ar an mbóthar dá ligfí amach í.
The cow would poo on the road if she were let out.
Níor chac an cat sa ghairdín inné.
The cat didn't poo in the garden yesterday.
Ar chac an madra ar an gcosán?
Did the dog poo on the footpath?

Other verbs in Irish

More everyday Irish verbs to learn next.

To defecate in Irish: frequently asked questions

What is the Irish for to defecate?

The Irish for to defecate is cac (pronounced “kak”). It is a first-conjugation verb; the verbal noun is cac.

What is the verbal noun of cac?

The verbal noun of cac is cac, used after ag for the continuous: ag cac (defecating). The verbal adjective is cactha.

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

Past: Chac mé; negative Níor chac mé; question Ar chac mé?. Future: Cacfaidh mé; negative Ní chacfaidh mé; question An gcacfaidh mé?.

What is the modh coinníollach of cac?

The conditional (modh coinníollach) first person is Chacfainn (I would defecate); negative Ní chacfainn; question An gcacfainn?.

Is 'cac' a polite word?

No, 'cac' is vulgar or childish, like 'shit' or 'poo'. In formal or medical contexts use a phrase such as 'dul ar an leithreas' or 'na putóga a fholmhú'.

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