Source : Webster's Revised Unabridged Dictionary (1913)

Boast \Boast\, v. t.
   1. To display in ostentatious language; to speak of with
      pride, vanity, or exultation, with a view to
      self-commendation; to extol.

            Lest bad men should boast Their specious deeds.
                                                  --Milton.

   2. To display vaingloriously.

   3. To possess or have; as, to boast a name.

   {To boast one's self}, to speak with unbecoming confidence
      in, and approval of, one's self; -- followed by of and the
      thing to which the boasting relates. [Archaic]

            Boast not thyself of to-morrow.       --Prov. xxvii.
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