alien

• Describe algo desconocido, extraño o ajeno; también se usa para referirse a seres extraterrestres.

Describes something that is unfamiliar, foreign, or strange; also used to refer to extraterrestrial beings.

1. Foreign or unfamiliarB1formal

   Belonging to a different country, culture, or environment; strange or unfamiliar.

   extraño, ajeno, foráneo

   • The customs of the tribe were alien to the visitors.
   • His ideas seemed alien to the traditional way of thinking.
   • The language sounded completely alien to her ears.

   Sinónimosbizarreexoticexternalforeignoutlandishoverseasstrangeunaccustomedunfamiliarunknown

   Antónimosfamiliarindigenouslocalnative

2. ExtraterrestrialA2informal

   Relating to beings or things from outer space.

   Extraterrestre

   • The movie featured an alien spaceship landing on Earth.
   • Scientists search for alien life forms in distant galaxies.
   • He dressed up as an alien for the costume party.

   Sinónimosextraterrestrialotherworldlyspaceunearthly

• Ser de otro mundo u otro planeta, o un extranjero/forastero en un lugar determinado.

A noun referring to a foreigner, a non-native, or a being from another world; also used to describe something unfamiliar or estranged.

1. Extraterrestrial beingA2informal

   A hypothetical or fictional creature from outer space.

   Ser extraterrestre

   • The movie is about aliens invading Earth.
   • He claims he saw an alien spaceship last night.
   • Children often imagine what aliens look like.

   Sinónimosextraterrestrialmartian

2. Foreigner or outsiderB1formal

   A person who is not a citizen of the country they are living in; a foreigner.

   Extranjero o forastero

   • The government requires all aliens to register with the authorities.
   • He felt like an alien in the new city.
   • The law applies to both citizens and resident aliens.

   Sinónimosforeignerimmigrantnewcomernoncitizenoutlanderoutsider

   Antónimoscitizennationalnative