Meaning of the word passer-by in English

What does passer-by mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

passer-by

US /ˌpæs.ərˈbaɪ/
UK /ˌpɑː.səˈbaɪ/
"passer-by" picture

Noun

a person who happens to be going past something, especially on foot

Example:
The accident was witnessed by a passer-by.
She asked a passer-by for directions.