accidentally

by mistake or without intending to do something

por error, accidentalmente

Collocations accidentally hurt someone

• I accidentally dropped the vase.

  Accidentalmente dejé caer el jarrón.

without intending to do something

sin querer, accidentalmente

Collocations accidentally meet someone

• We accidentally met at the airport.

  Nos encontramos sin querer en el aeropuerto.