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"Blue" is a noun which is often translated as "el azul", and "white" is a noun which is often translated as "el blanco". Learn more about the difference between "blue" and "white" below.
blue(
blu
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
An adjective is a word that describes a noun (e.g., the big dog).
2. (color)
3. (sad)
a. demócrata 
It's a blue state. The candidate will never win there.Es un estado demócrata. El candidato jamás ganará ahí.
a. conservador 
The new prime minister is a bit blue.El nuevo primer ministro es un poco conservador.
a. verde 
I thought it was a blue film, but it was a perfume commercial.Pensé que era una película verde, pero era un anuncio de perfume.
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. dar azulete a 
My grandmother always blued my grandfather's shirts so that they didn't go yellow.Mi abuela siempre daba azulete a las camisas de mi abuelo para que no amarillearan.
8. (colloquial) (to squander) (United Kingdom)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
Regionalism used in the United Kingdom
a. despilfarrar 
He'd blued his inheritance in less than a year.En menos de un año, había despilfarrado su herencia.
b. pulirse  (colloquial) (Spain)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
Regionalism used in Spain
Have you already blued all the money I gave you?¿Ya te has pulido todo el dinero que te di?
c. patinarse  (colloquial) (River Plate)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
Shall we blue the money we won at the races? It's not much anyway.¿Nos patinamos el dinero que ganamos en las carreras? No es mucho de todos modos.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. azulear 
In the evening, the sea would blue up right before the sunset.Por la tarde, el mar azuleaba justo antes de la puesta de sol.
blues
A plural noun indicates that there is more than one person, place, thing, or idea.
10. (music)
11. (sadness)
a. la melancolía (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
The winter gives me the blues. I'm ready for spring.El invierno me da melancolía. Estoy listo para la primavera.
b.  no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Andy's got the blues because his girlfriend broke up with him.Andy está deprimido porque su novia rompió con él.
Ellen's best friend moved away, so she's got the blues.La mejor amiga de Ellen se mudó, así que está depre.
white(
wayt
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
1. (color)
a. la clara (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
She ate only the egg white because she has to watch her cholesterol levels.Se comió solo la clara del huevo porque tiene que cuidar los niveles de colesterol.
An adjective is a word that describes a noun (e.g., the big dog).
whites
A plural noun indicates that there is more than one person, place, thing, or idea.
9. (laundry)
a. la ropa blanca (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
This detergent is special for washing whites in the washing machine.Este detergente es especial para lavar la ropa blanca en la lavadora.