Source : Webster's Revised Unabridged Dictionary (1913)

Bluster \Blus"ter\, v. t.
   To utter, or do, with noisy violence; to force by blustering;
   to bully.

         He bloweth and blustereth out . . . his abominable
         blasphemy.                               --Sir T. More.

         As if therewith he meant to bluster all princes into a
         perfect obedience to his commands.       --Fuller.

Bluster \Blus"ter\, n.
   1. Fitful noise and violence, as of a storm; violent winds;
      boisterousness.

            To the winds they set Their corners, when with
            bluster to confound Sea, air, and shore. --Milton.

   2. Noisy and violent or threatening talk; noisy and boastful
      language. --L'Estrange.

   Syn: Noise; boisterousness; tumult; turbulence; confusion;
        boasting; swaggering; bullying.

Bluster \Blus"ter\, v. i. [imp. & p. p. {Blustered}; p. pr. &
   vb. n. {Blustering}.] [Allied to blast.]
   1. To blow fitfully with violence and noise, as wind; to be
      windy and boisterous, as the weather.

            And ever-threatening storms Of Chaos blustering
            round.                                --Milton.

   2. To talk with noisy violence; to swagger, as a turbulent or
      boasting person; to act in a noisy, tumultuous way; to
      play the bully; to storm; to rage.

            Your ministerial directors blustered like tragic
            tyrants.                              --Burke.

Source : WordNet®

bluster
     n 1: noisy confusion and turbulence; "he was awakened by the
          bluster of their preparations"
     2: a swaggering show of courage [syn: {bravado}]
     3: a violent gusty wind
     4: vain and empty boasting [syn: {braggadocio}, {rodomontade},
        {rhodomontade}]

bluster
     v 1: blow hard; be gusty, as of wind; "A southeaster blustered
          onshore"; "The flames blustered"
     2: show off [syn: {boast}, {tout}, {swash}, {shoot a line}, {brag},
         {gas}, {blow}, {vaunt}, {gasconade}]
     3: act in an arrogant, overly self-assured, or conceited manner
        [syn: {swagger}, {swash}]