vs 

QUICK ANSWER
"Si" is a form of "si", a conjunction which is often translated as "if". "Además" is a form of "además", an adverb which is often translated as "besides". Learn more about the difference between "si" and "además" below.
si(
see
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. if
Si llueve mañana, cancelaremos el pícnic.If it rains tomorrow, we will cancel the picnic.
a. whether
Preguntó si me estaba divirtiendo.He asked whether I was enjoying myself.
b. if
Paco quiere saber si Laura también va a asistir.Paco wants to know if Laura is also going to attend.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. B
Primero lo oí en si menor.I first heard it played in B minor.
b. ti (solfége)
Practiquemos las escalas en orden inverso: do, si, la...Let's practice scales in reverse order: do, ti, la...
Copyright © 2025 Dictionary Media Group, Inc.
además(
ah
-
deh
-
mahs
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. besides
Y, además, no tiene ningún interés.And besides, he is not interested at all.
b. also
Compró, además, una caja de bombones.She also bought a box of chocolates.
c. furthermore (formal)
Además, los demandaremos.Furthermore, we will sue you.
d. moreover (formal)
Además, no podemos olvidar nuestro compromiso.Moreover, we cannot forget our commitment.
e. as well as
Además de simpática, es bien educada.She is nice as well as polite.
Copyright © 2025 Dictionary Media Group, Inc.