por si las moscas

Spanish

Etymology

Literally, “in case of flies”.

Adverb

por si las moscas

1. (colloquial, idiomatic) just in case

   Synonyms: por las dudas, por si acaso

Further reading

• “por si las moscas”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10