unusual

not common or usual; strange or surprising because it is different from what you expect

extraño, inusual, raro

• an unusual experience/situation

Collocations unusual circumstances · unusual behaviour

• It was an unusual decision to move abroad.

  Fue una decisión inusual mudarse al extranjero.

not expected or planned; surprising because it is different from what you expect

inesperado, sorprendente

• an unusual event/occurrence

Collocations unusual occurrence · unexpected turn of events

• There was an unusual number of visitors at the exhibition.

  Hubo un número inusual de visitantes en la exposición.

the quality or state of being unusual; strangeness or peculiarity

extrañezza, inusualidad

• a sense of unusualness