quinceaños

From quince (“fifteen”) +‎ años (“years”).

• IPA^(key): /kinθeˈaɲos/ [kĩn̟.θeˈa.ɲos] (Spain, Equatorial Guinea)
• IPA^(key): /kinseˈaɲos/ [kĩn.seˈa.ɲos] (Latin America, Philippines)
• Rhymes: -aɲos
• Syllabification: quin‧ce‧a‧ños

quinceaños m (plural quinceaños)

1. a Mexican girl’s 15th birthday party (becoming a woman)

   Synonym: quinceañera

• This word has a singular meaning, but is treated grammatically both as a singular and as a plural:
• (plural form) 2000, Oscar Yanes, Pura Pantalla, page 214
• : […] estaba invitado a los quinceaños de Carlota Elizabeth.
• (singular form) 1998, Homero Galarza Elizondo, La Estación, page 52
• : […] para el quinceaños de su hija.

• “quinceaños”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025