i Register
In some senses, gasconade is marked as obsolete, derogatory. Watch for register when choosing this word.
noun
Boastful talk.
[…] the Gasconads of France, Rodomontads of Spain, Fanfaronads of Italy, and Bragadochio brags of all other countries, could no more astonish his invincible heart, then would the cheeping of a mouse a bear robbed of her whelps.
If the Author was Jesuite enough to say this to himself, before he wrote it, he may come off. If not, it will prove a most unconscionable Gasconade. Pate ᵃ was never Bishop of Rochester, but of Worcester; he was not Banish'd, but Fed; and this not in King Edward's time, but in King Henry's.
adj
Of or pertaining to exaggeration or extravagant boasting; bombastic.
But Poetry and her sister arts are now in the decline; since the Gasconade style is out of date they seem quite at a stand.
verb
To talk boastfully.
The Frenchman, not being able to bring the precise number, received only, as the first month's pay, 2,000 rupees. He demanded an audience, talked loud, and gasconaded.
[…]he gasconaded on the theme of his personal exploits in the Seven Years' War of France in Spain, as if he had been as prime a sword-player as Murat[…]