\Boast\, v. i. [imp. & p. p. {Boasted}; p. pr. & vb. n.
{Boasting}.] [OE. bosten, boosten, v., bost, boost, n.,
noise, boasting; cf. G. bausen, bauschen, to swell, pusten,
Dan. puste, Sw. pusta, to blow, Sw. p["o]sa to swell; or W.
bostio to boast, bost boast, Gael. bosd. But these last may
be from English.]
1. To vaunt one's self; to brag; to say or tell things which
   are intended to give others a high opinion of one's self
   or of things belonging to one's self; as, to boast of
   one's exploits courage, descent, wealth.
         By grace are ye saved through faith; and that not of
         yourselves: . . not of works, lest any man should
         boast.                                --Eph. ii. 8,
                                               9.
2. To speak in exulting language of another; to glory; to
   exult.
         In God we boast all the day long.     --Ps. xliv. 8
Syn: To brag; bluster; vapor; crow; talk big.

\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.
                                               1

\Boast\, v. t. [Of uncertain etymology.]
1. (Masonry) To dress, as a stone, with a broad chisel.
   --Weale.
2. (Sculp.) To shape roughly as a preparation for the finer
   work to follow; to cut to the general form required.

\Boast\, n.
1. Act of boasting; vaunting or bragging.
         Reason and morals? and where live they most, In
         Christian comfort, or in Stoic boast! --Byron.
2. The cause of boasting; occasion of pride or exultation, --
   sometimes of laudable pride or exultation.
         The boast of historians.              --Macaulay.