noun

dependence

di-PEN-duhns/dɪˈpendəns/

Reliance on something necessary to a result or continued function.

Her dependence on a walker is evident with every careful step.

A middle-aged woman relies on a walker for support while taking a careful step, making reliance on something concrete and immediately visible.
Etymology

The underlying image is of hanging from something that sustains you. With its state-forming ending, dependence names the condition of drawing support or direction from another, including reliance and trust.

In context

Enhanced Public Domain91:54
in absolute dependence on the state and this is always affected by the same means for it is only the power of the state that secures the freedom of its members
1700s Philosophy Audiobook • Jean-Jacques Rousseau - The Social Contract

More examples

  • Solar panels' dependence on sunlight limits their output on cloudy days.
  • Daily caffeine use can lead to physical dependence.
  • The study measures the dependence of crop yields on rainfall.

Forms

dependence · dependences

depend verb — To need someone or something for support.

dependent adjective — Needing someone or something to function.

Similar words

reliance
Often emphasizes trust in support rather than strict necessity.
dependency
Often names a specific need or relationship of reliance.