hinge

hinge — noun

1. a small metal or strong-plastic part that connects a door, window, or lid to its

1.nounB1
Definition

a small metal or strong-plastic part that connects a door, window, or lid to its frame, so it can swing open and shut

Example

The old wooden door swung on its rusty hinges.

collocation: rusty hinges / door hinge

Liang bought new brass hinges for the kitchen cabinets.

collocation: brass hinge / cabinet hinge

Common collocations
  • rusty hinge
  • squeaky hinge
  • door hinge
  • cabinet hinge
  • brass hinge
  • oil the hinge
  • replace a hinge
  • hinge pin
Synonyms
  • pivot

    a central point on which something turns; more common for rotating objects (e.g., a lever) than swinging doors

  • joint

    a connecting point between two parts; much broader in meaning, not specific to doors

  • fastener

    any device that holds things together; more generic and less specific than 'hinge'

Grammar Patterns

a [adjective] hinge

hinge + of + noun

Common Mistakes

I need to fix the hinge of the window' (ambiguous — could mean location).
I need to fix the window hinge.
In everyday English, the compound noun 'window hinge' is more natural than 'hinge of the window.'

2. the single key event, factor, or decision that determines how a situation will d

2.nounC1
Definition

the single key event, factor, or decision that determines how a situation will develop — for example, the battle that decides a war, or the moment that changes a person's career

Example

The peace treaty was the hinge that ended decades of conflict.

pattern: 'the hinge that [causes an outcome]'

Historians see that battle as the hinge of the entire war.

collocation: hinge of the war

Common collocations
  • hinge of the war
  • hinge of the argument
  • hinge on which
  • the hinge of
Synonyms
  • turning point

    the moment when a situation begins to change significantly; more common and less formal than 'hinge'

  • linchpin

    the person or thing that holds everything together; slightly different in meaning — it keeps a system stable rather than determines its direction

  • crux

    the most important part of a problem or argument; more about disputes and logic than events

Grammar Patterns

the hinge of + noun

the hinge on which + clause

Usage Note

Almost always used in a singular form within a definite or possessive phrase — 'the hinge of something' — to highlight the one decisive element in a chain of events.

Common Mistakes

This is a hinge moment' (direct English calque).
This is a crucial moment' or 'This is a turning point.
'Hinge' as a noun for a decisive moment is used with 'the' + 'of' (the hinge of the story), not as a standalone adjective.

hinge — verb

Word family

  • hinged
    adjectiveB2
  • unhinged
    adjectiveC1

Synonym discussion

Sense: verb/1

These four verbs all describe a situation where an outcome requires a specific condition, but they differ in register and scope. 'Depend on' is the most common and neutral choice for everyday speech — it works for both major life decisions (a promotion) and trivial matters (whether to bring an umbrella). 'Hinge on' is stronger and more specific: it suggests that the condition is the one deciding factor, and if that condition fails, the whole outcome falls apart. 'Rest on' has a slightly more formal, weighty tone, as if the outcome is physically supported by the condition — you might find it in legal or political analysis. 'Be contingent on' is the most formal and is rarely used in conversation; it appears in legal documents, academic writing, and business contracts. For example: 'We can go to the beach or stay home — it depends on the weather' (casual). 'The entire merger hinges on the shareholder vote' (high-stakes, single factor). 'The verdict rests on the testimony of one witness' (formal, weight-bearing single evidence). 'The payment is contingent on completion of the inspection' (contract language).

hinge ondepend on ↗rest onbe contingent on

Common collocations

Nouns

Adverbs

Phrases

  • hinge on whether
  • hinge on the outcome of
  • be hinged to
  • hinge open
  • hinge shut

Prepositions

Etymology

GermanicOld EnglishMiddle EnglishEnglish

The word 'hinge' comes from Middle English 'henge,' which is related to the verb 'hang' — the original idea was 'a thing on which something hangs.' This matches the physical function of a hinge: a door hangs from its hinge pins. The figurative use (meaning 'a central or decisive element') appeared in the 1500s, and the verb sense 'to depend on' developed from that image of something turning on a single point.