(US) One who relies on another for support / (grammar) An element in phrase or clause structure that is not the head. Includes complements, modifiers and determiners.

In a dependable manner.

In a dependent manner.

plural of dependability

The characteristic of being dependable; the ability to be depended upon.

(Britain) A person who depends on another for support, particularly financial support (= US dependent).

The state of being dependent, of relying upon another. / An irresistible physical or psychological need, especially for a chemical substance.

(programming) An agent that depends on another agent, the dependee; the subject of a dependency, a dependent (used in agent-oriented programming)

(intransitive, followed by on or upon, formerly also by of) To be contingent or conditioned; to have something as a necessary condition; to hinge on.

simple past tense and past participle of depend