vs 

QUICK ANSWER
"Si" is a form of "si", a conjunction which is often translated as "if". "Subjuntivo" is a noun which is often translated as "subjunctive". Learn more about the difference between "si" and "subjuntivo" 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.
el subjuntivo(
soob
-
hoon
-
tee
-
boh
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. subjunctive
El subjuntivo es una forma verbal que les cuesta mucho entender a los extranjeros.The subjunctive is a verbal form that foreigners find very difficult to understand.
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. subjunctive
Recién cuando empecé a estudiar idiomas extranjeros me enteré de la existencia del modo subjuntivo.I only learned of the existence of the subjunctive mood when I began to study foreign languages.
Copyright © 2025 Dictionary Media Group, Inc.