one

the number 1; the first of a series or set

uno, el primero

• one and one is two

Collocations the number one · number one fan

• One plus one equals two.

  Uno más uno es igual a dos.

a person, especially when speaking about yourself or another person in an indirect way

una persona, alguien

• one of the best

Collocations one of the most important · one of my friends

• She is one of the best singers in the world.

  Ella es una de las mejores cantantes del mundo.

used to refer to a choice between two things or people, especially when you are choosing one thing and not the other

uno u otro, uno y no el otro

• one...the other

Collocations one day...the next day · one person...another person

• I like this one, but not the other.

  Me gusta este, pero no el otro.

used instead of 'he', 'she', or 'it' when you are talking about a person or thing that has already been mentioned, to avoid repeating the name or description

él/ella, lo/la

• one says...the other says

Collocations one person thinks...another thinks · one side claims...the other denies

• One person said yes, and one said no.

  Una persona dijo que sí y la otra dijo que no.

used to refer to a single thing or person, especially when you are talking about one particular example of something

uno, una

• one...the other

Collocations a single person · a single item

• There is one book on the table.

  Hay un libro sobre la mesa.

used to refer to a group of people or things, especially when you are talking about all members of the group together as one unit

uno, una

• one...the other

Collocations a single group · all in one place

• They are all in one room.

  Todos están en una misma habitación.

used to refer to an individual person or thing, especially when you are talking about a single example of something

uno, una

• one...the other

Collocations a single individual · each one separately

• Each one has its own story.

  Cada uno tiene su propia historia.

used to refer to a single person who is not married or in a relationship, especially when talking about their social life or status

soltero/a, sin pareja

• one...the other

Collocations a single person · single and ready to mingle

• He is a single man looking for love.

  Es un hombre soltero buscando amor.