vs 

QUICK ANSWER
"Yo soy alto" is a phrase which is often translated as "I'm tall", and "flaco" is an adjective which is often translated as "thin". Learn more about the difference between "yo soy alto" and "flaco" below.
yo soy alto(
yoh
 
soy
 
ahl
-
toh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I'm tall
Mi hermano y yo somos mellizos, pero yo soy alto y él es bajo.My brother and I are twins, but I'm tall and he's short.
Copyright © 2025 Dictionary Media Group, Inc.
flaco(
flah
-
koh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. thin
Algunas modelos están demasiado flacas.Some models are too thin.
b. skinny
Está muy flaco después de un mes fuera de casa.He is very skinny after a month away from home.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
Hizo un flaco servicio a su familia comprando esas tierras.He did a disservice to his family by buying that land.
Esta mala noticia hace un flaco favor a la Bolsa.This bad news does the Stock Market no favors.
3.
A word or phrase restricted in usage to literature or established writing (e.g., sex, once upon a time).
(literary)
(weak)
a. feeble
Tenía la flaca memoria de una anciana.She had the feeble memory of an elderly lady.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. weakness
La escritora dice que la pereza es su flaco.The write says that laziness is her weakness.
b. weak point
El jefe cree que él es perfecto y no tiene ningún flaco.The boss thinks he's perfect and doesn't have any weak points.
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
5. (young person)
Regionalism used in Paraguay
(Paraguay)
(Southern Cone)
a. guy
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
A word or phrase that is masculine (e.g., el libro).
(masculine)
¿Tu hija sale con un flaco? - Sí, bueno, es que tiene ya 18 años.Is your daughter dating a guy? - Yes, well, she's 18 now.
b. boy
A word or phrase that is masculine (e.g., el libro).
(masculine)
Me gusta mucho ese flaco. ¿Lo conoces?I really like that boy. Do you know him?
c. girl
A word or phrase that is feminine (e.g., la manzana).
(feminine)
¿Quién es la flaca que está con Juan? Nunca la había visto.Who's the girl with Juan? I've never seen her before.
d. kid
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
¡Qué flacos tan simpáticos! ¿Están en tu clase?What nice kids! Are they in your class?
Copyright © 2025 Dictionary Media Group, Inc.