adjectiveadverb

raro

rare · strange

Que no es común o que es diferente a lo normal.

Definition & meaning

Raro is an adjective that mainly means:

  1. Rare, uncommon, or unusual
    It describes something that does not happen often or is not frequently found.

    • Es raro encontrar esta especie aquí. — “It is rare to find this species here.”
  2. Strange, odd, or unusual in behavior or appearance
    It can describe a person, thing, situation, or action that seems peculiar or not normal.

    • Tiene un comportamiento raro. — “He has strange behavior.”

Depending on the context, raro can be neutral (“uncommon”) or slightly negative (“weird” or “peculiar”).

It can also describe food, especially meat, as rare or undercooked:

  • El filete está raro. — “The steak is rare.”

Grammar & Word origin

Raro is an adjective and agrees with the noun in gender and number:

  • raro — masculine singular
  • rara — feminine singular
  • raros — masculine or mixed plural
  • raras — feminine plural

Examples:

  • un caso raro — “a rare case”
  • una situación rara — “a strange situation”

The feminine form is rara , and the plural forms are raros and raras .

The word comes from the Latin rarus, meaning “thinly scattered,” “infrequent,” or “uncommon.”

Synonyms & antonyms

Synonyms

  • extraño — “strange” or “unfamiliar”; often emphasizes that something feels unusual.
  • ​​inusual — “unusual”; generally more neutral and less negative than raro.
  • ​​peculiar — “peculiar” or “distinctive”; can be neutral or negative depending on context.
  • ​​singular — “unusual” or “exceptional,” often with a more formal or positive tone.
  • ​​escaso — “scarce” or “in short supply”; applies to limited availability rather than strangeness.

Antonyms

  • común — “common”; the direct opposite when raro means uncommon.
  • ​​normal — “normal”; the opposite when raro means strange or abnormal.
  • ​​habitual — “usual” or “customary”; emphasizes regular occurrence.
  • ​​frecuente — “frequent”; the opposite when referring to something that happens often.

Common phrases & collocations

  • ​​muy raro — “very strange” or “very rare”
  • ​​algo raro — “something strange”
  • ​​un caso raro — “a rare or unusual case”
  • ​​una enfermedad rara — “a rare disease”
  • ​​qué raro — “how strange” or “that’s strange”
  • ​​es raro que — “it is unusual that”; it is commonly followed by the subjunctive
  • ​​raro de ver — “rare to see”
  • ​​raro pero cierto — “strange but true”

Make “raro” part of your vocabulary.

Build your Spanish vocabulary with flashcards, audio and spaced repetition.

Examples

El libro es muy raro en esta colección.adjective

The book is very rare in this collection.

Ese cuadro tiene un color raro.adjective

That painting has a strange color.

La pared tiene un color raro.adjective

The wall has a strange color.

¿Por qué suena tan raro ese instrumento?adverb

Why does that instrument sound so strange?

Esa fruta me parece un poco rara.adjective

That fruit seems a little strange to me.

Keep exploring Spanish

Learn words from the content you love.

Add words from websites, books and videos, then remember them with spaced repetition (SRS).