THRASONICAL
Etymology
Via Latin from Greek Θρασων (a boastful soldier in Terence’s Eunuchus), from θρασυς ‘bold, spirited’.
Adjective
thrasonical (comparative more thrasonical, superlative most thrasonical)
Like Thraso (a character in the play Eunuchus by Terence); boastful, bragging, vainglorious.
Source: Wiktionary
Thra*son"ic*al, a. Etym: [From Thrso, the name of a braggart soldier
in Terence's "Eunuch:" cf. L. Thrasonianus.]
Definition: Of or pertaining to Thraso; like, or becoming to, Thraso;
bragging; boastful; vainglorious.
– Thra*son"ic*al*ly, adv.
Cæsar's thrasonical brag of 'I came, saw, and overcame.' Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition