boastful

What it means

1. Tending to boast or brag.

   He wrote a boastful autobiography, recording all his great deeds.

   1 more example

   It makes one's blood boil, yet heart tremble, to think that we Englishmen and our American descendants, with their boastful cry of liberty, have been and are so guilty

   1839, Robert FitzRoy, Phillip Parker King, Charles Darwin, Narrative of the Surveying Voyages of His Majesty’s Ships Adventure and Beagle, between the Years 1826 and 1836, […], volume (please specify |volume=I to III), London: Henry Colburn, […], →OCLC

   Synonyms: bragging, crowing, gasconade, glorious, spread-eagle, swaggering, thrasonic, thrasonical

In a sentence

He wrote a boastful autobiography, recording all his great deeds.

Where it comes from

1. Middle Englishbostful
2. Englishboastful

From Middle English bostful, equivalent to boast + -ful.