The Collaborative International Dictionary of English v.0.48:

bully \bul"ly\ (b[.u]l"l[y^]), interj.
   Well done! Excellent!
   [PJC]

The Collaborative International Dictionary of English v.0.48:

Bully \Bul"ly\ (b[.u]l"l[y^]), n., Bully beef \Bul"ly beef`\
   (b[.u]l"l[y^] b[=e]f`). [F. bouilli boiled meat, fr. bouillir
   to boil. See Boil, v. The word bouilli was formerly
   commonly used on the labels of canned beef.]
   Pickled or canned beef.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Bully \Bul"ly\ (b[.u]l"l[y^]), a.
   1. Jovial and blustering; dashing. [Slang] "Bless thee, bully
      doctor." --Shak.
      [1913 Webster]

   2. Fine; excellent; as, a bully horse. [Slang, U.S.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bully \Bul"ly\, v. t. [imp. & p. p. Bullied (b[.u]l"l[=e]d);
   p. pr. & vb. n. Bullying.]
   To intimidate or badger with threats and by an overbearing,
   swaggering demeanor; to act the part of a bully[1] toward.
   [1913 Webster]

         For the last fortnight there have been prodigious
         shoals of volunteers gone over to bully the French,
         upon hearing the peace was just signing. --Tatler.
   [1913 Webster]

   Syn: To bluster; swagger; hector; domineer.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bully \Bul"ly\ (b[.u]l"l[y^]), n.; pl. Bullies
   (b[u^]l"l[i^]z). [Cf. LG. bullerjaan, bullerb[aum]k,
   bullerbrook, a blusterer, D. bulderaar a bluster, bulderen to
   bluster; prob. of imitative origin; or cf. MHG. buole lover,
   G. buhle.]
   1. A noisy, blustering fellow, more insolent than courageous,
      who threatens, intimidates, or badgers people who are
      smaller or weaker than he is; an insolent, tyrannical
      fellow.
      [1913 Webster]

            Bullies seldom execute the threats they deal in.
                                                  --Palmerston.
      [1913 Webster]

   2. A brisk, dashing fellow. [Slang Obs.] --Shak.
      [1913 Webster] Bully

The Collaborative International Dictionary of English v.0.48:

Bully \Bul"ly\, v. i.
   To act as a bully[1].
   [1913 Webster]

WordNet (r) 3.0 (2006):

bully
    adj 1: very good; "he did a bully job"; "a neat sports car";
           "had a great time at the party"; "you look simply
           smashing" [syn: bang-up, bully, corking,
           cracking, dandy, great, groovy, keen, neat,
           nifty, not bad(p), peachy, slap-up, swell,
           smashing]
    n 1: a cruel and brutal fellow [syn: bully, tough,
         hooligan, ruffian, roughneck, rowdy, yob, yobo,
         yobbo]
    2: a hired thug
    v 1: be bossy towards; "Her big brother always bullied her when
         she was young" [syn: strong-arm, bully, browbeat,
         bullyrag, ballyrag, boss around, hector, push
         around]
    2: discourage or frighten with threats or a domineering manner;
       intimidate [syn: browbeat, bully, swagger]

Moby Thesaurus II by Grady Ward, 1.0:

276 Moby Thesaurus words for "bully":
   Antaeus, Atlas, Briareus, Brobdingnagian, Charles Atlas, Cyclops,
   Goliath, Hercules, Herod, OK, Polyphemus, Samson, Superman, Tarzan,
   Titan, ace-high, admirable, annoyer, awe, bad, badgerer, bang-up,
   battler, beat down, beef, beef extract, beef tea, belligerent,
   belted knight, bickerer, blackjack, blade, blatherskite, bludgeon,
   bluff, bluffer, bluster, bluster and bluff, bluster out of,
   blusterer, bonzer, boss, bouillon, bounce, brag, braggart, bravo,
   brawler, break, browbeat, browbeater, bucko, bulldoze, bulldozer,
   bully beef, bullyboy, bullyrag, but good, cadet, capital, castrate,
   champion, charqui, chipped beef, clamp down on, coerce, colossus,
   combatant, compel, competitor, contender, contestant, cool,
   corking, cow, crackerjack, cutthroat, dandy, daunt, delicious,
   demoralize, desperado, despotize, devil, disputant, domineer,
   domineer over, dragoon, dried beef, ducky, duelist, enforcer,
   enslave, fab, famous, fancy man, fanfaron, fencer, feuder, fighter,
   fighting cock, fine, fine and dandy, first-rate, foilsman,
   gamecock, gasconade, gear, giant, gladiator, goon, gorilla, great,
   grind, grind down, groovy, ground beef, gunman, hamburger, harass,
   harasser, harrier, hatchet man, heavy, heckler, hector, hectorer,
   hell-raiser, hellcat, henpeck, hijack, hood, hoodlum, hooligan,
   hot, huff, hunky-dory, intimidate, intimidator, jam-up, jerky,
   jolly, jouster, just dandy, keen, keep down, keep under, killer,
   knight, lord it over, mad dog, marvy, mean, menace, militant,
   muscle man, nag, neat, nifty, nobby, nudnik, nudzh, okay, oppress,
   out of sight, out-herod Herod, overawe, overbear, overmaster,
   override, pander, pastrami, peachy, peachy-keen, persecute,
   persecutor, pest, pesterer, plaguer, plug-ugly, powerhouse,
   press heavy on, push around, quarreler, rage, rant, ranter, rave,
   raver, repress, ride over, ride roughshod over, rioter, ripping,
   rival, roast beef, roister, roisterer, rollick, rough, rowdy,
   ruffian, rum, sabreur, sadist, salt beef, scrapper, scrumptious,
   scuffler, shanghai, slang, slap-up, smashing, solid,
   something else, spiffing, spiffy, splutter, sputter, squabbler,
   stalwart, steamroller, storm, strong arm, strong man, strong-arm,
   strong-arm man, strong-armer, struggler, stunning, subjugate, suet,
   superior, suppress, swagger, swaggerer, swashbuckle, swashbuckler,
   swasher, swell, sword, swordplayer, swordsman,
   systematically terrorize, tease, teaser, terrorize, the mighty,
   the strong, threaten, thug, tilter, torment, tormentor, torture,
   tough, tough guy, tower of strength, trample down, trample upon,
   tread down, tread upon, tussler, tyrannize, tyrannize over, tyrant,
   unman, use violence, vapor, vaporer, walk all over, walk over,
   weigh heavy on, wizard, worthy, wrangler