QUICK ANSWER
"Todos" is a form of "todos", an adjective which is often translated as "all". "Todo el mundo" is a phrase which is often translated as "everybody". Learn more about the difference between "todo el mundo" and "todos" below.
todo el mundo(
toh
-
doh
ehl
moon
-
doh
)A phrase is a group of words commonly used together (e.g., once upon a time).
todos(
toh
-
dohs
)An adjective is a word that describes a noun (e.g., the big dog).
b. all of
Sí, claro que vamos a tu fiesta. Cuenta con todos nosotros.Yes, of course we're coming to your party. You can count on all of us.
c. the whole of
Perdimos todos nuestros ahorros con aquella inversión.We lost the whole of our savings with that investment.
A pronoun is a word that stands in for a noun (e.g., she).
a. of them all
Me gustan tus camisetas, pero esta es la más linda de todas.I like your T-shirts, but this one is the nicest of them all.
b. all of them
¿Vendieron todos los celulares? - Sí, todos.Did you sell all the cellphones? - Yes, all of them.
c. everyone (singular) (people)
A word or phrase that is singular (e.g., el gato).
Todos saben que Raúl y Fátima están saliendo.Everyone knows that Raul and Fatima are dating.
d. everybody (singular) (people)
A word or phrase that is singular (e.g., el gato).
Aquí me conocen todos.Everybody knows me here.
b. all of us (after prepositions)
¡Más fuerte! Vamos, canta para todos. Queremos escuchar tu hermosa voz.Louder! Come on, sing for all of us. We want to hear to your beautiful voice.
todo
An adjective is a word that describes a noun (e.g., the big dog).
b. all of
La única hija de Ibáñez se quedó con toda la herencia.Ibanez's only daughter inherited all of her estate.
d. the whole of
Al final, el casero nos devolvió toda nuestra fianza.In the end, the landlord refunded the whole of our deposit.
A pronoun is a word that stands in for a noun (e.g., she).
7. (totality)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
8. (emphatic)
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Siga todo recto.Carry straight on.
La cocina estaba toda sucia.The kitchen was filthy.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. whole
Este médico ve el cuerpo y la mente como un todo.This doctor sees the body and the mind as a whole.
