Boasting is the act of a person who boasts - who makes bold claims that they are for some reason better than another person.
To boast. "boasting" is conjugation of the verb - "Stop boasting, it does you no favour".
Yes, boasting has an a in it, no matter who is doing the boasting about whom.
The ball sport where boasting is the part of the game is in squash. Boasting can refer to an offensive or defensive move in the sport.
No
Boasting
a braggart
Vain and empty boasting
Boasting!
two
wants sex
a braggard
boastful, boasting