spyhole: meaning, definition, pronunciation and examples

C1
UK/ˈspaɪ.həʊl/US/ˈspaɪ.hoʊl/

informal, neutral

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Quick answer

What does “spyhole” mean?

A small hole, usually in a door, through which one can look discreetly from inside to see who is outside.

Audio

Pronunciation

Definition

Meaning and Definition

A small hole, usually in a door, through which one can look discreetly from inside to see who is outside.

Any small aperture designed for secret or discreet observation, or a metaphorical point of restricted, peering view into something.

Dialectal Variation

British vs American Usage

Differences

The word is understood but less common in American English, where 'peephole' is the standard term. In British English, 'spyhole' is a common, though somewhat informal, alternative.

Connotations

In BrE, it can sound slightly more informal or direct than 'peephole'. In AmE, it may sound British or old-fashioned.

Frequency

Higher frequency in British English; low frequency in American English.

Grammar

How to Use “spyhole” in a Sentence

look through [the spyhole]peer through [the spyhole][the spyhole] is coveredinstall [a spyhole] in [the door]

Vocabulary

Collocations

strong
door spyholelook through the spyholecheck the spyholeinstall a spyhole
medium
security spyholetiny spyholeglass spyholecover the spyhole
weak
metal spyholeconcealed spyholespyhole viewerspyhole lens

Examples

Examples of “spyhole” in a Sentence

verb

British English

  • Not standard as a verb.

American English

  • Not standard as a verb.

adverb

British English

  • Not standard as an adverb.

American English

  • Not standard as an adverb.

adjective

British English

  • Not standard as an adjective.

American English

  • Not standard as an adjective.

Usage

Meaning in Context

Business

Rare, except perhaps in security or property management contexts (e.g., 'All apartment doors should have a spyhole.').

Academic

Very rare; technical terms like 'aperture' or 'observation port' would be used in relevant fields.

Everyday

Common in domestic security contexts, especially in British English.

Technical

In security or optics, more precise terms like 'door viewer', 'optical door scope', or 'fisheye viewer' are used.

Vocabulary

Synonyms of “spyhole”

Strong

inspection holeviewing hole

Neutral

Weak

judas holelookouteyehole

Vocabulary

Antonyms of “spyhole”

full viewpicture windowopen doorway

Watch out

Common Mistakes When Using “spyhole”

  • Using 'spy hole' as two separate words (should be a closed or hyphenated compound). Confusing it with 'keyhole'. Using it as a verb (to spyhole is not standard).

FAQ

Frequently Asked Questions

It is typically written as one closed compound word: 'spyhole'. The hyphenated form 'spy-hole' is less common but acceptable.

No, 'to spyhole' is not a standard verb. Use phrases like 'look through the spyhole' or 'peer through the peephole'.

A spyhole (or peephole) is for looking through. A keyhole is the hole where you insert a key to unlock a lock. They serve completely different purposes.

No, it is neutral to informal. In formal or technical writing (e.g., security specifications), terms like 'door viewer' or 'optical viewer' are preferred.

A small hole, usually in a door, through which one can look discreetly from inside to see who is outside.

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

Phrases

Idioms & Phrases

  • [not an idiom, but can be used metaphorically] 'a spyhole into their private world'

Learning

Memory Aids

Mnemonic

Think of a SPY needing a HOLE to look through secretly.

Conceptual Metaphor

RESTRICTED VISION IS A SMALL HOLE (e.g., 'The report gave us only a spyhole into the company's finances.')

Practice

Quiz

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

Which of the following is the most common American English equivalent for 'spyhole'?

Practise

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