nounnounadjective

el primo (matemáticas)

prime

Hijo o hija del tío o la tía de una persona.

Definition & meaning

  • Cousin: A male cousin, the son of one’s aunt or uncle.
  • First: In a few fixed expressions, such as de primera mano or the musical term prima donna, related forms carry the idea of being first. In everyday Spanish, however, primo normally means “cousin.”
  • Gullible person: Informally, someone who is easily tricked or taken advantage of.
  • Close friend: In informal speech in some regions, a friendly way to address someone, similar to “mate” or “bro.”

Grammar & Word origin

A masculine noun. Its feminine form is prima , meaning “female cousin.” The plural is primos .

It comes from Latin primus, meaning “first.” Its family meaning developed from a Latin expression for a first cousin.

Synonyms & antonyms

  • For a gullible person, ingenuo means “naive” and is less insulting; incauto emphasizes a lack of caution.
  • For a close friend, colega means “mate” or “buddy” in informal speech.
  • For the gullible sense, a possible opposite is astuto , meaning “shrewd” or “cunning.”

There is no standard antonym for the family relationship.

Common phrases & collocations

  • primo hermano — first cousin.
  • primo segundo — second cousin.
  • hacer el primo — to be taken for a fool or let oneself be exploited.

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Examples

El número siete es un número primo.adjective

The number seven is a prime number.

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