vs
QUICK ANSWER
"Eficiente" is an adjective which is often translated as "efficient", and "efectivo" is an adjective which is often translated as "effective". Learn more about the difference between "eficiente" and "efectivo" below.
eficiente(
eh
-
fee
-
syehn
-
teh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (effective)
a. efficient
Lorena es la empleada más eficiente en el departamento de mercadotecnia.Lorena is the most efficient employee in the marketing department.
efectivo, el efectivo(
eh
-
fehk
-
tee
-
boh
)An adjective is a word that describes a noun (e.g., the big dog).
a. effective
La vacuna tarda unos días en ser efectiva.The vaccine takes a few days to become effective.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
los efectivos
A plural noun indicates that there is more than one person, place, thing, or idea.
4. (military)
a. forces
El país aumentó el número de efectivos militares en la zona.The country increased the number of military forces in the area.
