hinge upon
phrasal verb.phrasal verb. to depend completely on something else to happen or be true.
phrasal verb. to depend entirely on a specific factor or event for a result or success; often used in formal or academic contexts to describe logical or causal dependency.
The success of the party will hinge upon the weather.
The jury's final decision will hinge upon the DNA evidence presented by the prosecution.
The stability of the entire regional economy may hinge upon the outcome of these delicate trade negotiations.
usually followed by a noun or a noun phrase representing the deciding factor.
this is a more formal and precise version of 'depend on'; the image of a door hinge helps students visualize how one thing supports the movement of another.
The plan hinges from his approval.The plan hinges upon his approval.the verb 'hinge' must be followed by the preposition 'upon' or 'on', never 'from'.
Last updated April 24, 2026