passer-by
B1Neutral to Formal (more formal than 'person walking by')
Definition
Meaning
A person who is walking past a particular place, typically by chance.
Any person who happens to be present or nearby during an event, often as a witness or potential helper.
Linguistics
Semantic Notes
Specifically denotes movement (passing by) and happenstance. The plural is 'passers-by' (hyphenated) or sometimes 'passersby'. It is a compound noun where the main noun ('passer') is modified by an adverb/adjective ('by').
Dialectal Variation
British vs American Usage
Differences
Spelling: UK more consistently uses 'passer-by'. US may also use 'passerby' (closed form) slightly more frequently, though both forms are understood. Plural: UK 'passers-by' is standard. US often uses 'passersby'.
Connotations
Identical in meaning. Slightly more common in UK news/journalistic contexts describing incidents.
Frequency
Similar frequency in both dialects. Perhaps marginally more common in UK English.
Vocabulary
Collocations
Grammar
Valency Patterns
A passer-by witnessed the accident.The victim was helped by a passer-by.Several passers-by stopped to look.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Caught the eye of a passer-by”
- “A passer-by chanced upon the scene.”
Usage
Context Usage
Business
Rare. Might appear in reports of incidents near business premises.
Academic
Rare. Could appear in sociological or criminological studies of public behavior.
Everyday
Common in news reports and recounting events: 'A kind passer-by helped me up.'
Technical
Used in legal, police, and journalistic contexts to describe witnesses or those involved in public incidents.
Examples
By CEFR Level
- A passer-by helped me find the street.
- She asked a passer-by for directions.
- The accident was seen by several passers-by.
- A quick-thinking passer-by called the emergency services.
- The assailant fled the scene, leaving the victim to be discovered by a passer-by some hours later.
- The installation art was designed to intrigue the casual passer-by.
- The legal principle of 'duty of care' can, in certain circumstances, extend to an injury caused to a mere passer-by.
- His political diatribe was delivered not to a crowd but to the occasional bemused passer-by.
Learning
Memory Aids
Mnemonic
Think of someone who is PASSING BY a place. They are a PASSER-BY.
Conceptual Metaphor
LIFE IS A JOURNEY / THE PUBLIC IS A STREAM OF PEOPLE (A passer-by is a person flowing past in the stream of public life).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calque 'прохожий мимо'. Use just 'прохожий' or 'случайный прохожий'.
- Do not confuse with 'passenger' ('пассажир').
- Remember the plural form 'passers-by' is not *'passer-bys'.
Common Mistakes
- Incorrect plural: *passer-bys (correct: passers-by)
- Misspelling: *passerby (for UK English; US variant is acceptable)
- Confusion with similar compounds: *passer-through, *walker-by
Practice
Quiz
What is the correct plural form of 'passer-by'?
FAQ
Frequently Asked Questions
Yes, 'passerby' (plural: passersby) is a common variant, especially in American English. 'Passer-by' (plural: passers-by) is the traditional and more common form in British English.
Typically, no. The term implies someone walking past. For someone in a car, you might say 'motorist' or 'driver'. However, in a broad sense, it can sometimes be used for anyone happening to be near a location.
A 'passer-by' emphasizes the act of moving past a location. A 'bystander' emphasizes being present at a place, often stationary, and observing an event. A passer-by can become a bystander if they stop.
The pronunciation remains the same as the singular for each word: /ˌpɑːsəz ˈbaɪ/ (UK) or /ˌpæsərz ˈbaɪ/ (US). The stress is still on 'by'.