vs 

QUICK ANSWER
"Ser" is a copular verb which is often translated as "to be", and "bien" is an adverb which is often translated as "well". Learn more about the difference between "ser" and "bien" below.
ser(
sehr
)
A copular verb links the subject of a clause to the predicate (e.g., My brother is tall).
copular verb
a. to be
Es alto y rubio.He's tall and blond.
Mi abuela es profesora.My grandma is a teacher.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
intransitive verb
a. to be
Soy de Nueva York.I'm from New York.
a. to be
El lápiz es para escribir, no para lanzar.Pencils are for writing, not for throwing.
a. to be
¿Cuánto es el total? - Son diez dólares.How much does it come to? - It's ten dollars.
a. to be made of
El casillero antiguo de mi abuela es de roble.My grandma's antique dresser is made of oak.
a. to be
Este reloj es de mi madre.This watch is my mother's.
a. to be
La fiesta será en mi casa.The party will be at my place.
a. to root for
Yo soy del mejor equipo del mundo: FC Barcelona.I root for the best team in the world: FC Barcelona.
An impersonal verb is a verb with no apparent subject (e.g., Llueve en España.).
impersonal verb
a. to be
Son las siete de la mañana.It is seven in the morning.
Era de noche cuando llegaron.It was night when they arrived.
An auxiliary verb, or helper verb, is a conjugated verb that comes before a main verb and determines the main verb's tense, mood, or aspect (e.g., I have gone.).
auxiliary verb
a. to be
El edificio fue diseñado por un equipo de arquitectos.The building was built by a team of architects.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. being
Hay un ser vivo en el lago, pero no sé qué es.There's a living being in the lake, but I don't know what it is.
a. person
Su papá es un ser muy agradable.Her dad is a very nice person.
Copyright © 2025 Dictionary Media Group, Inc.
bien, el bien(
byehn
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. well
Últimamente no me he sentido bien.I haven't felt well lately.
a. well
Si la carne molida no se cocina bien, las bacterias no mueren.If the ground meat is not cooked well, the bacteria don't die.
a. OK
Quedamos en el bar. - Bien.Let's meet at the bar. - OK.
a. very
Me di un paseo bien largo para despejar mi mente.I went for a very long walk to clear my mind.
a. well
Cuando viajé a España, me comentaban que sabía hablar bien el español.When I traveled to Spain, people told me I could speak Spanish well.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
Se hace el tonto pero bien sabía que no nos había pagado.He's pretending he didn't, but he knew full well he hadn't paid us.
Bien podías habérselo dicho.You really could have told him.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. good
El bien siempre gana al mal.Good always beats evil.
a. good
Está dispuesto a sacrificar su vida por el bien de la nación.He is willing to sacrifice his own life for the good of the nation.
a. property
Mi abuelo dejó todos sus bienes a sus seis hijos.My grandfather left all his property to his six children.
b. belonging
Cuando se divorciaron, dividieron sus bienes equitativamente.When they divorced, they divided their belongings equally.
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
Bien nos vamos, bien no, pero hay que decidirlo ya.We either go or we don't, but we need to decide.
Tenemos que mudarnos, bien este año, bien el que viene.We have to move, whether it's this year or next.
Copyright © 2025 Dictionary Media Group, Inc.