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"Suyo" is an adjective which is often translated as "his", and "ajeno" is an adjective which is often translated as "other people's". Learn more about the difference between "suyo" and "ajeno" below.
suyo(
soo
-
yoh
)An adjective is a word that describes a noun (e.g., the big dog).
a. his (masculine) (singular)
A word or phrase that is masculine (e.g., el libro).
A word or phrase that is singular (e.g., el gato).
Este es David, y Peter es amigo suyo.This is David, and Peter is his friend.
b. her (feminine) (singular)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase that is singular (e.g., el gato).
El café suyo tiene crema y dos azúcares.Her coffee has cream and two sugars.
c. its (singular)
A word or phrase that is singular (e.g., el gato).
Creo que el emblema suyo tiene un lema en latín.I think its emblem has a Latin motto.
2. (formal) (possessive; second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. your
Este carro es suyo, ¿verdad? Es muy parecido al nuestro.This is your car, isn't it? It's very similar to ours.
A pronoun is a word that stands in for a noun (e.g., she).
a. his (masculine) (singular)
A word or phrase that is masculine (e.g., el libro).
A word or phrase that is singular (e.g., el gato).
Mi coche es rojo y el suyo es negro.My car is red and his is black.
b. hers (feminine) (singular)
A word or phrase that is feminine (e.g., la manzana).
A word or phrase that is singular (e.g., el gato).
Mi pedido ya se mandó, pero el suyo no.My order has already been shipped, but hers hasn't.
5. (formal) (possessive; second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. yours
El café de la señora está listo, pero el suyo no, señor.The lady's coffee is ready, but yours is not, sir.
a. yours
Esta es nuestra mesa. La suya es aquella de la esquina.This is our table. Yours is the one in the corner.
ajeno(
ah
-
heh
-
noh
)An adjective is a word that describes a noun (e.g., the big dog).
a. other people's
Se dice que la paz es el respeto al derecho ajeno.It is said that peace is respecting other people's rights.
A Tomás no le importa arriesgarse, siempre que sea con dinero ajeno.Tomas is happy to take risks, as long as it's with other people's money.
b. someone else's
Lo peor es tener hambre en casa ajena.The worst is when you're hungry at someone else's house.
a. foreign
Fabricamos productos de acero, así que la construcción con aluminio nos es ajena.We build steel products, so aluminum construction is foreign to us.
b. alien
El estilo de vida de un agricultor es completamente ajeno a un habitante de la ciudad.A farmer's lifestyle is completely alien to a city dweller.
c. unconnected
Encontramos sangre ajena a las víctimas.We found blood unconnected to any of the victims.
d. unaffiliated
Las personas ajenas no son permitidas en este club.Unaffiliated people are not allowed in this club.
3. (not aware)
a. unaware
Estaba ajeno al hecho de que caminaba hacia una trampa.He was unaware of the fact that he was walking into a trap.
