trigésimo
/tɾiˈxesimo/
The English phrase 'thirtieth' is translated into Spanish as trigésimo.
trigésimo is the ordinal form of the number thirty. It can also function as a noun to describe the person or thing in the thirtieth position.
Meaning: the ordinal form of the number thirty (adj)
Which one should you use?
Use trigésimo for ordinal positions and treintavo for fractions (e.g., 1/30th of a whole).
Related words
How does it change in a sentence?
The word must agree in gender and number with the noun it modifies. It changes to trigésima for feminine nouns, trigésimos for masculine plural nouns and trigésimas for feminine plural nouns.
How do you pronounce it?
/tɾiˈxesimo/
Did you know?
- While trigésimo is the correct term for 30th, Spanish speakers rarely use any ordinal number higher than vigésimo (twentieth) in spoken language, opting for cardinal numbers instead.
- Mixing up trigésimo for position and treintavo for fractions is a common mistake even for native Spanish speakers in casual conversation.
- The word trigésimo is a learned borrowing from the Latin word trīgēsimus.
Examples in context
- Mañana es mi trigésimo cumpleaños.Tomorrow is my thirtieth birthday.This sentence shows how to use trigésimo to describe a birthday.Tatoeba #10317626 by Seael, translation #10317584 by CK
- Acabamos de celebrar nuestro trigésimo aniversario.We just celebrated our thirtieth anniversary.This sentence shows how to use trigésimo to describe an anniversary.Tatoeba #8312758 by arh, translation #8311652 by CK
- la trigésima vezThe thirtieth time
- la trigésima preguntaThe thirtieth question
- el trigésimo díaThe thirtieth day
- el trigésimo lugarThe thirtieth place
- Estoy organizando mi trigésimo cumpleañosI am organizing my thirtieth birthday
- Es el trigésimo capítulo del libro.It is the thirtieth chapter of the book.
Example conversation
María and Mateo are looking at a long list of items.
- MaríaMira, este es el trigésimo elemento.Look, this is the thirtieth item.
- Mateo¡Vaya! Es una lista muy larga.Wow! It is a very long list.
- María¿Crees que llegamos al final?Do you think we reached the end?
- MateoNo, todavía quedan más.No, there are still more left.
Sources
- Wiktionary, “thirtieth” translations and entries trigésimo, CC BY-SA 4.0, dump of 2026-09-26.
- Word origins: Wiktionary entries trigésimo, CC BY-SA 4.0.
- Example sentences: Tatoeba CC BY 2.0 FR.