Volunteer \Vol`un*teer"\, a.
   Of or pertaining to a volunteer or volunteers; consisting of
   volunteers; voluntary; as, volunteer companies; volunteer
   advice.
   
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Volunteer \Vol`un*teer"\, v. t. [imp. & p. p. {Volunteered}; p.
   pr. & vb. n. {Volunteering}.]
   To offer or bestow voluntarily, or without solicitation or
   compulsion; as, to volunteer one's services.
   
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Volunteer \Vol`un*teer"\, v. i.
   To enter into, or offer for, any service of one's own free
   will, without solicitation or compulsion; as, he volunteered
   in that undertaking.
   
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Volunteer \Vol`un*teer"\, n. [F. volontaire. See {Voluntary},
   a.]
   1. One who enters into, or offers for, any service of his own
      free will.
      
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   2. (Mil.) One who enters into service voluntarily, but who,
      when in service, is subject to discipline and regulations
      like other soldiers; -- opposed to {conscript};
      specifically, a voluntary member of the organized militia
      of a country as distinguished from the standing army.
      
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   3. (Law) A grantee in a voluntary conveyance; one to whom a
      conveyance is made without valuable consideration; a
      party, other than a wife or child of the grantor, to whom,
      or for whose benefit, a voluntary conveyance is made.
      --Burrill.
      
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   4. A plant, especially a flowering plant in a garden, that
      appears spontaneously without having been intentionally
      planted.
      [RDH]

volunteer
     adj : without payment; "the soup kitchen was run primarily by
           unpaid helpers"; "a volunteer fire department" [syn: {unpaid},
            {volunteer(a)}]
     n 1: (military) a person who freely enlists for service [syn: {military  volunteer}, {voluntary}] [ant: {draftee}]
     2: a person who performs voluntary work [syn: {unpaid worker}]
     v 1: tell voluntarily; "He volunteered the information"
     2: agree freely; "She volunteered to drive the old lady home";
        "I offered to help with the dishes but the hostess would
        not hear of it" [syn: {offer}]
     3: do volunteer work

56 Moby Thesaurus words for "volunteer":
   arbitrary, autonomous, autonomousness, autonomy, come forward,
   discretional, discretionary, do independently, do voluntarily,
   elective, free, free will, gratuitous, gratuitousness,
   independence, independent, need no prodding, nonmandatory, offered,
   optional, proffered, self-acting, self-action, self-active,
   self-activity, self-determination, self-determined,
   self-determining, spontaneity, spontaneous, spontaneousness,
   step forward, unasked, unbesought, unbidden, uncalled-for,
   uncoerced, uncompelled, unforced, unforcedness, uninfluenced,
   uninvited, unpressured, unprompted, unrequested, unrequired,
   unsolicited, unsought, voluntariness, voluntarism, voluntary,
   voluntaryism, volunteer militia, volunteer navy, volunteering,
   willful