peephole: meaning, definition, pronunciation and examples

C1
UK/ˈpiːp.həʊl/US/ˈpiːp.hoʊl/

neutral

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Quick answer

What does “peephole” mean?

A small hole in a door or wall through which one can look, typically from the inside to the outside, often for security or privacy.

Audio

Pronunciation

Definition

Meaning and Definition

A small hole in a door or wall through which one can look, typically from the inside to the outside, often for security or privacy.

Any small opening or aperture that allows a limited, secret, or one-way view; metaphorically, a means of gaining a restricted or voyeuristic insight into a private situation.

Dialectal Variation

British vs American Usage

Differences

The term is standard in both varieties. British English occasionally uses 'spyhole' as a synonym, but 'peephole' is dominant.

Connotations

Identical in both: security, privacy, caution.

Frequency

Slightly more frequent in American English, but common in both.

Grammar

How to Use “peephole” in a Sentence

[Verb] + through + [peephole] (e.g., look/peer/stare through)[Verb] + [peephole] + [Preposition] (e.g., install/fit a peephole in/on)[Have] + [peephole] (e.g., have a peephole)

Vocabulary

Collocations

strong
door peepholelook through the peepholesecurity peephole
medium
install a peepholepeephole lenscover the peephole
weak
small peepholemetal peepholecheck the peephole

Usage

Meaning in Context

Business

Rare; may appear in property management or hotel safety descriptions.

Academic

Rare; possible in architectural, security, or sociological texts discussing privacy and surveillance.

Everyday

Common in contexts of home/apartment security, hotel rooms, and changing rooms.

Technical

Used in locksmithing, door hardware, and security system specifications.

Vocabulary

Synonyms of “peephole”

Strong

Neutral

spyholeviewing hole

Vocabulary

Antonyms of “peephole”

full viewopen doorwaypicture windowtransparent panel

Watch out

Common Mistakes When Using “peephole”

  • Spelling as two words: 'peep hole' (correct: 'peephole' or 'peep-hole').
  • Confusing with 'keyhole', which is specifically for a key.

FAQ

Frequently Asked Questions

It is typically written as one word ('peephole'), though the hyphenated form ('peep-hole') is occasionally seen.

A peephole is for looking through, while a keyhole is specifically the hole where a key is inserted into a lock.

No, 'peephole' is exclusively a noun. The related verb is 'peep' or 'peek'.

Yes, 'spyhole' is a less common but understood synonym in British English.

A small hole in a door or wall through which one can look, typically from the inside to the outside, often for security or privacy.

Peephole is usually neutral in register.

Peephole: in British English it is pronounced /ˈpiːp.həʊl/, and in American English it is pronounced /ˈpiːp.hoʊl/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • a peephole into (e.g., The documentary offered a peephole into their private lives.)

Learning

Memory Aids

Mnemonic

Think of 'PEEP' (to look secretly) + 'HOLE' (an opening). You PEEP through a HOLE.

Conceptual Metaphor

LIMITED KNOWLEDGE IS A RESTRICTED VIEW (e.g., The data gives us only a peephole into market trends.)

Practice

Quiz

Fill in the gap
For security reasons, it's advisable to a peephole in your front door.
Multiple Choice

What is the primary function of a peephole?

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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