How to Say "Eighteen" in Italian

diciotto

/diˈt͡ʃɔt.to/

The Italian word for eighteen is diciotto.

diciotto is used as a cardinal number to represent the quantity 18.

Meaning: cardinal number (num)

What does it mean word for word?

The word is a combination of dieci (ten) and otto (eight).

The word has three syllables, with the stress on the second syllable. The IPA pronunciation is /diˈtʃɔt.to/.

In Italy, reaching diciotto is the legal threshold for 'majority' and is celebrated as a rite of passage into adulthood, often with a large party.
The prefix dici- in diciotto is a remnant of the Latin word decem, which also gave English the word 'decimal'.
While diciotto is the number, the term maggiorenne is used to describe a person who has reached this age, literally meaning 'of legal age'.

Ho più di diciotto anni.
I'm over eighteen.
This sentence is useful for expressing an age greater than diciotto.
Tatoeba #4750870 by gina, translation #1891101 by CK
Ci sono diciotto di loro.
There are eighteen of them.
This sentence is useful for counting a group of eighteen individuals using diciotto.
Tatoeba #3508923 by Guybrush88, translation #3091048 by sundown
Ha diciotto anni al massimo.
She is eighteen at most.
This sentence is useful for stating a maximum age of diciotto.
Tatoeba #6696900 by Guybrush88, translation #311046 by CK
Ho diciotto anni.
I am eighteen years old.
Domani compio diciotto anni.
Tomorrow, I turn eighteen.
Mi piacerebbe avere diciotto caramelle.
I would like to have eighteen candies.
13 more sentences on Tatoeba

Chiara and Francesco are checking the guest list for a party.

Chiara

Quanti ospiti abbiamo, Francesco?
How many guests do we have, Francesco?
Francesco

Ne abbiamo esattamente diciotto.
We have exactly eighteen of them.
Chiara

Diciotto è un numero perfetto.
Eighteen is a perfect number.
Francesco

Sì, la festa sarà fantastica.
Yes, the party will be fantastic.

Sources

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