brag, puff, crow, jive
fast
Boast, gloat, and crow are words. Those mean brag.
One possibility is fact.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern MEA-. That is, four letter words with 1st letter M and 2nd letter E and 3rd letter A. In alphabetical order, they are: mead meal mean meat
No 4 letter words but: VDU Monitor Display All mean computer screen.
There are many words that mean the same thing as flaunt and can easily be found through a Thesaurus. Some words that are similar are boast, advertise, broadcast and display.
There are four words which could mean beautiful which start with the letter A. These are: Admirable Alluring Angelic Appealing
It is an obscene word. Most curse words have four letters, so people started using this euphemism to mean any curse word.
Incompetent and ignorant are mean words. They begin with the letter i.
vaunt means to boast, to brag about
It means: to boast or brag.
Keep yourself humble.