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)
Origin: oe. Bosten, boosten, v, bost, boost, n, noise, boasting; cf. G. Bausen, bauschen, to swell, pusten, dan. Puste, Sw. Pusta, to blow, Sw. Posa to swell; or W. Bostio to boast, bost boast, gael. Bosd. But these last may be from english.
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. Boast not thyself of to-morrow. (Prov. Xxvii)