vs 

QUICK ANSWER
"Segundo" is a form of "segundo", an adjective which is often translated as "second". "Primero" is an adjective which is often translated as "first". Learn more about the difference between "segundo" and "primero" below.
segundo(
seh
-
goon
-
doh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. second
La segunda vez que viajé a España, terminé quedándome por tres años.The second time I traveled to Spain, I ended up staying for three years.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. second
Hay sesenta segundos en un minuto.There are sixty seconds in a minute.
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
masculine or feminine noun
a. deputy
La gerente no está aquí, pero pueden hablar con su segundo.The manager isn't here, but you can speak with her deputy.
a. second one
Escucha, el primero es el mío y el segundo es el tuyo.Listen, the first one is mine and the second one is yours.
Copyright © 2025 Dictionary Media Group, Inc.
primero(
pree
-
meh
-
roh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. first
Los países se enumeran en la primera fila de la tabla.The countries are listed in the first row of the table.
a. first
El partido se canceló tras el primer tiempo.The match was canceled after the first half.
a. main
Nuestro primer objetivo es reducir gastos.Our main objective is to reduce expenses.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. first
Primero oí la explosión y luego vi el fuego.First I heard the explosion and then I saw the fire.
a. rather
Primero me muero antes de montar esa montaña rusa.I'd rather die than go on that roller coaster.
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
masculine or feminine noun
a. the best
Era el primero en matemáticas en séptimo grado.I was the best in mathematics in seventh grade.
Copyright © 2025 Dictionary Media Group, Inc.