dependency

noun7

1. •
   A state of dependence; a refusal to exercise initiative.

   • Frank's sullen dependency was driving his father nuts.
2. •
   A dependence on a habit-forming substance such as a drug or alcohol.
3. •
   Reliance on the functionality provided by some other, external component.

   • This library has dependencies on a lot of other libraries. We have to compile all of those other libraries first.
4. •
   An external component whose functionality is relied on.

   • One of this library's dependencies is very finicky. It can be hard to get it to compile on some systems.
5. •
   Something dependent on, or subordinate to, something else

   • In the United States' governmental structure, the military is conceived as a dependency under the executive branch.
6. •
   A colony, or a territory subject to rule by an external power.

   • ‘I have a little theory which you Messieurs who go out there must help me to prove. This is my share in the advantages my country shall reap from the possession of such a magnificent dependency.’ — 1899
7. •
   The status of being a legal dependent; the relationship between a dependent and their provider.