[1] : The Collaborative International Dictionary of English v.0.48

fighter \fight"er\ fimact"~er, n. as. feohtere.
   1. one who fights; a combatant; a warrior. --shak.
      1913 webster

   2. a boxer; a pugilist.
      pjc

   3. a person with the determination and will to persist
      through great difficulty to achieve a goal; one with the
      courage to fight and resist an opponent, and to struggle
      with all one's powers.
      pjc

   4. mil. a military aircraft designed to seek out and
      destroy enemy aircraft; it is usually smaller and more
      maneuvarable than aircraft designed specifically for
      bombing. however, hybrid fighter-bomber aircraft that
      perform both functions also are used.
      pjc
see also:
fighter-bomber 

[2] : WordNet (r) 2.0

fighter
     n 1: someone who fights or is fighting syn: combatant, battler,
           belligerent, scrapper
     2: a high-speed military or naval airplane designed to destroy
        enemy aircraft in the air syn: fighter aircraft, attack
        aircraft
     3: someone who fights for a cause syn: champion, hero, paladin
see also:
combatant battler belligerent scrapper fighter aircraft attack aircraft 
champion hero paladin 

[3] : Moby Thesaurus II by Grady Ward, 1.0

82 moby thesaurus words for "fighter":
   chinese boxer, bantamweight, battler, belligerent, belted knight,
   bickerer, black belt, blade, boxer, bravo, brawler, brown belt,
   bruiser, bully, bullyboy, combatant, competitor, contender,
   contestant, disputant, duelist, enforcer, featherweight, fencer,
   feuder, fighting cock, fighting man, fisticuffer, flyweight,
   foilsman, gamecock, gladiator, goon, gorilla, hatchet man,
   heavyweight, hood, hoodlum, hooligan, jouster, karate expert,
   knight, light heavyweight, lightweight, man-at-arms, middleweight,
   militant, palooka, plug-ugly, prizefighter, pug, pugilist,
   quarreler, rioter, rival, rough, rowdy, ruffian, sabreur,
   savate expert, scrapper, scuffler, serviceman, sparrer, squabbler,
   strong arm, strong-arm man, strong-armer, struggler, swaddy,
   swashbuckler, sweat, sword, swordplayer, swordsman, thug, tilter,
   tough, tussler, warrior, welterweight, wrangler

Fighter >> F Words
Fighter, definition of term: Fighter
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Fire Fighter >> F Words
Fire Fighter, definition of term: Fire Fighter
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