passerby

Meanings

1. 1
   noun

   a person who happens to be walking or traveling past a place

   A passerby noticed the smoke and called the fire department.

A compound of passer ("one who passes") + by. Because by functions as the following complement, the ordinary plural is passersby rather than passerbys. Passer-by is an established hyphenated spelling.

Topics

External links

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• Cambridge Dictionary
• Wiktionary