Spanish vocabulary · Beginner
How to Say 19 in Spanish: Diecinueve
Diecinueve · noun · dyeh-see-NWEH-beh
Nineteen in Spanish is diecinueve, written as one word. It belongs to the set of compound teen numbers (16–19) where diez merges with the single digit. Unlike English, which keeps 'nineteen' as two clear morphemes, Spanish fuses the components and modifies the spelling: diez + y + nueve becomes diecinueve. The ordinal form, meaning 'nineteenth,' is decimonoveno (or decimonovena for feminine nouns).
Diecinueve is pronounced dyeh-see-NWEH-beh and has four syllables. The stress falls on the third syllable, nue. Note that the v in nueve is pronounced like a soft English b in most Spanish dialects.
Mi hermano tiene diecinueve años.
My brother is nineteen years old.
19 in Spanish: Quick Reference
Below are the most common Spanish words for 19, with pronunciation and regional usage notes.
| Spanish | English | Pronunciation | Region / Register |
|---|---|---|---|
| diecinueve | 19 | dyeh-see-NWEH-beh | Default, widely understood |
| decimonoveno/a | 19 | ordinal form: nineteenth |
How Native Speakers Use Diecinueve
Real example sentences across three contexts you'll actually run into.
Stating age
Acabo de cumplir diecinueve años y ya estoy en la universidad.
I just turned nineteen and I'm already at university.
Telling your age with tener + number + años is one of the most common uses of numbers in Spanish.
Giving a date
La reunión es el diecinueve de junio.
The meeting is on June nineteenth.
In Spanish dates, cardinal numbers are used for all days except the first of the month (primero).
Counting items
Hay diecinueve estudiantes en la clase de hoy.
There are nineteen students in today's class.
Diecinueve functions as a standard number in counting and does not change form for gender.
Avoid These Mistakes When Using Diecinueve
Writing it as separate words
Incorrect: Tengo diez y nueve libros.
Correct: Tengo diecinueve libros.
Numbers from 16 to 19 are written as a single fused word in modern Spanish. Writing them as separate words is an outdated spelling and is considered incorrect today.
Confusing the ordinal form
Incorrect: Es el diecinueveavo capítulo.
Correct: Es el decimonoveno capítulo.
The suffix -avo is used for fractions, not ordinals. The correct ordinal for 19th is decimonoveno (or decimonovena for feminine nouns).
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See Diecinueve used by native speakers
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Common Questions About 19 in Spanish
- Why is diecinueve written as one word?
- Spanish numbers from 16 to 19 fuse diez + y + digit into a single word: dieciséis, diecisiete, dieciocho, diecinueve. This contraction became standard in modern orthography to reflect natural pronunciation.
- How do you say 'nineteenth' as an ordinal in Spanish?
- The ordinal is decimonoveno for masculine nouns and decimonovena for feminine nouns. In everyday speech, however, many speakers use the cardinal number instead: el capítulo diecinueve rather than el decimonoveno capítulo.
- Does diecinueve change for gender or plural?
- As a cardinal number, diecinueve is completely invariable and does not change for masculine, feminine, singular, or plural. Only the ordinal form (decimonoveno/a) has gender agreement.