vs 

QUICK ANSWER
"Since" is a preposition which is often translated as "desde", and "such" is an adjective which is often translated as "tal". Learn more about the difference between "since" and "such" below.
since(
sihns
)
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
preposition
a. desde
I have been working for this company since 2010.Llevo trabajando en esta empresa desde 2010.
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. ya que
Since I'm the only one watching TV, pass me the remote.Ya que soy la única que está viendo tele, pásame el control remoto.
b. como
Since you don't like pizza, can I have your portion?Como no te gusta la pizza, ¿puedo tomarme tu porción?
c. puesto que (formal)
We didn't visit her since it was very late.No la visitamos puesto que era muy tarde.
a. desde que
I haven't seen them since they moved.No los he visto desde que se mudaron.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. desde entonces
I met her for dinner, but I haven't seen her since.Cené con ella, pero no la he visto desde entonces.
a. hace mucho
He long since stopped talking to her.Hace mucho que dejó de hablarle.
Copyright © 2025 Dictionary Media Group, Inc.
such(
suhch
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. tal
She did not agree with such ideas.No estaba de acuerdo con tales ideas.
b. de ese tipo
Such films are made on a very low budget.Las películas de ese tipo se hacen con un presupuesto muy bajo.
c. semejante
I had never seen such a thing!¡Nunca había visto cosa semejante!
a. tanto
There was such confusion that nobody knew what to do.Había tanta confusión que nadie sabía lo que tenía que hacer.
b. tal
The heating made such noise that it was impossible to sleep at night.La calefacción hacía un ruido tal que era imposible dormir por la noche.
a. tal
The dictionary is organized in such a way that information is easy to find.El diccionario está organizado de tal forma que es fácil encontrar la información.
a. todo
I gave him such information as I had.Le di toda la información que tenía.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
A house such as this is not easily found at this price.Una casa como esta es difícil de encontrar a este precio.
We had never encountered such a problem as that.Nunca nos habíamos encontrado con un problema así.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. tan
I won't room with such an arrogant person.Yo no pienso vivir con alguien tan arrogante.
A pronoun is a word that stands in for a noun (e.g., she).
pronoun
a. tal
Such was his wish, and I wanted to oblige.Tal era su deseo y yo quería complacerle.
a. tal
His anxiety was such that he could not sleep.Su ansiedad era tal que no podía dormir.
Copyright © 2025 Dictionary Media Group, Inc.