vs 

QUICK ANSWER
"Mas" is a form of "mas", a conjunction which is often translated as "but". "Muy" is an adverb which is often translated as "very". Learn more about the difference between "mas" and "muy" below.
mas(
mahs
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
1.
A word or phrase restricted in usage to literature or established writing (e.g., sex, once upon a time).
(literary)
(contrasting)
a. but
Soy un caballero valiente, mas no soy agresivo.I am a valiant knight, but I am not aggressive.
Copyright © 2026 Dictionary Media Group, Inc.
muy(
mwee
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. very
El hotel era muy caro.The hotel was very expensive.
b. really
La casa de Marta es muy grande. - Sí, es enorme.Marta's house is really big. - Yes, it's huge.
a. too
Es muy joven para beber tanto.He is too young to drink so much.
a. highly
Es un profesor muy respetado.He is a highly respected teacher.
b. greatly
El médico era muy querido por su familia.The doctor was greatly loved by his family.
Copyright © 2026 Dictionary Media Group, Inc.