vs
QUICK ANSWER
"Si" is a form of "si", a conjunction which is often translated as "if". "Estoy cansado" is a phrase which is often translated as "I'm tired". Learn more about the difference between "si" and "estoy cansado" below.
si(
see
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
estoy cansado(
ehs
-
toy
kahn
-
sah
-
doh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. I'm tired (contraction)
¿Quieres venir a pasear? - No, estoy cansado.Do you want to go for a walk? - No, I'm tired.
