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"Aventura" is a form of "aventura", a noun which is often translated as "adventure". "Fiesta" is a noun which is often translated as "party". Learn more about the difference between "aventura" and "fiesta" below.
la aventura(
ah
-
behn
-
too
-
rah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (event)
a. adventure
Ir de mochilero por América Central fue una de las aventuras más emocionantes que tuve en mi vida.Backpacking through Central America was one of the most exciting adventures I've ever had.
2. (romance)
a. affair
Mario descubrió que su esposa estaba teniendo una aventura con el vecino.Mario found out that his wife was having an affair with their neighbor.
b. fling
Nunca le diré a mi esposa que tuve una aventura durante mi viaje de negocios.I will never tell my wife that I had a fling on my business trip.
la fiesta(
fyehs
-
tah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
las fiestas
A plural noun indicates that there is more than one person, place, thing, or idea.
3. (vacation)
b. break (United States)
Regionalism used in the United States
¿Dónde vas a pasar las fiestas de Pascua?Where are you going to spend Easter break?
a. festival
Las fiestas en honor a San Juan se celebran en junio en Puerto Rico.The festival honoring St. John is celebrated in June in Puerto Rico.
b. festivity
Habrá varias fiestas este fin de semana para conmemorar el fin de la guerra.There will be various festivities this weekend to commemorate the end of the war.