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To harden in Irish (cruaigh): Meaning, Conjugation, Examples

Other uses of ‘cruaigh’: toughen · become difficult

The Irish for to harden is cruaigh; ag cruachan is hardening.
Updated October 2026Report a mistake

How to say “to harden” in Irish

Irish:
cruaigh
English:
to harden, toughen, become difficult
Word type:
verb, first-conjugation
Verbal noun:
cruachan (ag cruachan, hardening)
Verbal adjective:
cruaite
Pronunciation:
“kroo-ig”  /kɾˠuəɟ/

What does “cruaigh” mean?

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

to harden
To make something hard or to become hard, firm or stiff.Also: stiffen, toughen, set, firm up.
2 other meanings: toughen or become difficult
2to toughen
To make a person tougher or less sensitive, or to become so.Also: harden, grow callous, inure.
3to become difficult
To become harder or more severe, as with conditions or a situation.Also: get harder, intensify.

“Cruaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Chruaigh méI hardenedNíor chruaigh méI did not hardenAr chruaigh mé?Did I harden?
tú (you)Chruaigh túYou hardenedNíor chruaigh túYou did not hardenAr chruaigh tú?Did you harden?
sé / sí (he / she)Chruaigh sé / síHe hardenedNíor chruaigh sé / síHe did not hardenAr chruaigh sé / sí?Did he harden?
sinn (we)ChruamarWe hardenedNíor chruamarWe did not hardenAr chruamar?Did we harden?
sibh (you, plural)Chruaigh sibhYou hardenedNíor chruaigh sibhYou did not hardenAr chruaigh sibh?Did you harden?
siad (they)Chruaigh siadThey hardenedNíor chruaigh siadThey did not hardenAr chruaigh siad?Did they harden?
saorbhriathar (autonomous)CruadhNíor cruadhAr cruadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)CruaimI hardenNí chruaimI do not hardenAn gcruaim?Do I harden?
tú (you)Cruann túYou hardenNí chruann túYou do not hardenAn gcruann tú?Do you harden?
sé / sí (he / she)Cruann sé / síHe hardensNí chruann sé / síHe does not hardenAn gcruann sé / sí?Does he harden?
sinn (we)CruaimidWe hardenNí chruaimidWe do not hardenAn gcruaimid?Do we harden?
sibh (you, plural)Cruann sibhYou hardenNí chruann sibhYou do not hardenAn gcruann sibh?Do you harden?
siad (they)Cruann siadThey hardenNí chruann siadThey do not hardenAn gcruann siad?Do they harden?
saorbhriathar (autonomous)CruaitearNí chruaitearAn gcruaitear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Cruafaidh méI will hardenNí chruafaidh méI will not hardenAn gcruafaidh mé?Will I harden?
tú (you)Cruafaidh túYou will hardenNí chruafaidh túYou will not hardenAn gcruafaidh tú?Will you harden?
sé / sí (he / she)Cruafaidh sé / síHe will hardenNí chruafaidh sé / síHe will not hardenAn gcruafaidh sé / sí?Will he harden?
sinn (we)CruafaimidWe will hardenNí chruafaimidWe will not hardenAn gcruafaimid?Will we harden?
sibh (you, plural)Cruafaidh sibhYou will hardenNí chruafaidh sibhYou will not hardenAn gcruafaidh sibh?Will you harden?
siad (they)Cruafaidh siadThey will hardenNí chruafaidh siadThey will not hardenAn gcruafaidh siad?Will they harden?
saorbhriathar (autonomous)CruafarNí chruafarAn gcruafar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)ChruafainnI would hardenNí chruafainnI would not hardenAn gcruafainn?Would I harden?
tú (you)ChruafáYou would hardenNí chruafáYou would not hardenAn gcruafá?Would you harden?
sé / sí (he / she)Chruafadh sé / síHe would hardenNí chruafadh sé / síHe would not hardenAn gcruafadh sé / sí?Would he harden?
sinn (we)ChruafaimisWe would hardenNí chruafaimisWe would not hardenAn gcruafaimis?Would we harden?
sibh (you, plural)Chruafadh sibhYou would hardenNí chruafadh sibhYou would not hardenAn gcruafadh sibh?Would you harden?
siad (they)ChruafaidísThey would hardenNí chruafaidísThey would not hardenAn gcruafaidís?Would they harden?
saorbhriathar (autonomous)ChruafaíNí chruafaíAn gcruafaí?

“Cruaigh” in a sentence: Irish examples

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

Chruaigh an stroighin thar oíche.
The cement hardened overnight.
Cruann an chré sa teas.
The clay hardens in the heat.
Cruafaidh an saol thú.
Life will toughen you.
Chruafadh an sioc an talamh.
The frost would harden the ground.
Níor chruaigh an ghlóthach fós.
The jelly hasn't set yet.
Ar chruaigh an t-im sa chuisneoir?
Did the butter harden in the fridge?

Other verbs in Irish

More everyday Irish verbs to learn next.

To harden in Irish: frequently asked questions

What is the Irish for to harden?

The Irish for to harden is cruaigh (pronounced “kroo-ig”). It is a first-conjugation verb; the verbal noun is cruachan.

What is the verbal noun of cruaigh?

The verbal noun of cruaigh is cruachan, used after ag for the continuous: ag cruachan (hardening). The verbal adjective is cruaite.

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

Past: Chruaigh mé; negative Níor chruaigh mé; question Ar chruaigh mé?. Future: Cruafaidh mé; negative Ní chruafaidh mé; question An gcruafaidh mé?.

What is the modh coinníollach of cruaigh?

The conditional (modh coinníollach) first person is Chruafainn (I would harden); negative Ní chruafainn; question An gcruafainn?.

Does cruaigh have more than one meaning?

Yes. Cruaigh can mean to harden, to toughen or to become difficult, depending on context; the first is the most common.

What is the opposite of 'cruaigh'?

The usual opposite is 'bog', to soften, as in 'Bhog an t-im' (the butter softened).

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