ottantesimo
/ot.tanˈtɛ.zi.mo/masculine
The English word "eightieth" is translated into Italian as ottantesimo.
ottantesimo is the ordinal form of the number eighty. It can also function as a noun to mean one of eighty equal parts of a whole, or to refer to the person or thing in the eightieth position.
Meaning: ordinal form of the number eighty (adj)
Related words
How does it change in a sentence?
The ordinal number must match the gender and number of the noun it describes. The feminine form is ottantesima, the masculine plural form is ottantesimi and the feminine plural form is ottantesime.
How do you pronounce it?
The word has 5 syllables with the stress on the 3rd syllable. The IPA pronunciation is /ot.tanˈtɛ.zi.mo/.
Did you know?
- If you are talking about a 'eightieth' birthday in Italy, it is common to call the party a festa di ottant'anni rather than using the ordinal ottantesimo.
- The suffix -esimo used in ottantesimo is a productivity marker in Italian that allows speakers to create ordinals for any large number, even those not traditionally listed in textbooks.
- The doubled 't' in ottantesimo is not just a spelling rule but a phonetic necessity that requires a slightly longer hold on the 't' sound than in the English word 'eighty'.
Examples in context
- L'anniversario ottantesimoThe eightieth anniversary
- È il suo ottantesimo compleannoIt's his eightieth birthday
- È il suo ottantesimo compleanno.It is his eightieth birthday.
- È arrivato all'ottantesimo piano.He arrived at the eightieth floor.
- Questo è l'ottantesimo libro della serie.This is the eightieth book of the series.
Example conversation
Alessandro and Chiara are looking at a long list of names.
- AlessandroGuarda, sono arrivato all'ottantesimo nome.Look, I've reached the eightieth name.
- ChiaraMancano ancora molti nomi, Alessandro.There are still many names left, Alessandro.
- AlessandroSì, ma l'ottantesimo è l'ultimo della pagina.Yes, but the eightieth is the last one on the page.
- ChiaraAllora possiamo fare una pausa, Chiara dice.Then we can take a break, Chiara says.
Sources
- Wiktionary, “eightieth” translations and entries ottantesimo, CC BY-SA 4.0, dump of 2026-09-26.
