The Collaborative International Dictionary of English v.0.48:

Subordinate \Sub*or"di*nate\, n.
   One who stands in order or rank below another; --
   distinguished from a principal. --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Subordinate \Sub*or"di*nate\, v. t. [imp. & p. p.
   Subordinated; p. pr. & vb. n. Subordinating.]
   1. To place in a lower order or class; to make or consider as
      of less value or importance; as, to subordinate one
      creature to another.
      [1913 Webster]

   2. To make subject; to subject or subdue; as, to subordinate
      the passions to reason.
      [1913 Webster] -- Sub*or"di*nate*ly, adv. --
      Sub*or"di*nate*ness, n.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Subordinate \Sub*or"di*nate\, a. [Pref. sub + L. ordinatus, p.
   p. of ordinare to set in order, to arrange. See Ordain.]
   1. Placed in a lower order, class, or rank; holding a lower
      or inferior position.
      [1913 Webster]

            The several kinds and subordinate species of each
            are easily distinguished.             --Woodward.
      [1913 Webster]

   2. Inferior in order, nature, dignity, power, importance, or
      the like.
      [1913 Webster]

            It was subordinate, not enslaved, to the
            understanding.                        --South.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dependent \De*pend"ent\, a. [L. dependens, -entis, p. pr.
   dependere. See Depend, and cf. Dependant.]
   1. Hanging down; as, a dependent bough or leaf.
      [1913 Webster]

   2. Relying on, or subject to, something else for support; not
      able to exist, or sustain itself, or to perform anything,
      without the will, power, or aid of something else; not
      self-sustaining; subordinate; -- often with on or upon;
      as, dependent on God; dependent upon friends. Opposite of
      independent. [Narrower terms: interdependent,
      mutualist, mutually beneficial; parasitic, parasitical,
      leechlike, bloodsucking; subordinate; underage;
      myrmecophilous; symbiotic] Also See: unfree.
      [1913 Webster]

            England, long dependent and degraded, was again a
            power of the first rank.              --Macaulay.
      [1913 Webster]

   3. conditional; contingent or conditioned. Opposite of
      unconditional.

   Syn: qualified.
        [WordNet 1.5]

   4. addicted to drugs.

   Syn: addicted, dependent, drug-addicted, hooked, strung-out.
        [WordNet 1.5]

   Dependent covenant or Dependent contract (Law), one not
      binding until some connecting stipulation is performed.

   Dependent variable (Math.), a varying quantity whose
      changes are arbitrary, but are regarded as produced by
      changes in another variable, which is called the
      independent variable.
      [1913 Webster]

WordNet (r) 3.0 (2006):

subordinate
    adj 1: lower in rank or importance [syn: subordinate, low-
           level] [ant: dominant]
    2: subject or submissive to authority or the control of another;
       "a subordinate kingdom" [ant: insubordinate]
    3: (of a clause) unable to stand alone syntactically as a
       complete sentence; "a subordinate (or dependent) clause
       functions as a noun or adjective or adverb within a sentence"
       [syn: dependent, subordinate] [ant: independent,
       main(a)]
    n 1: an assistant subject to the authority or control of another
         [syn: subordinate, subsidiary, underling, foot
         soldier]
    2: a word that is more specific than a given word [syn:
       hyponym, subordinate, subordinate word]
    v 1: rank or order as less important or consider of less value;
         "Art is sometimes subordinated to Science in these schools"
    2: make subordinate, dependent, or subservient; "Our wishes have
       to be subordinated to that of our ruler" [syn: subordinate,
       subdue]