Definition of boasting in English:
 boasting
noun ˈbəʊstɪŋˈboʊstɪŋ
mass nounExcessively proud and self-satisfied talk about one's achievements, possessions, or abilities.
 his online boasting led police straight to his doorstep
adjectiveˈbəʊstɪŋˈboʊstɪŋ
Exhibiting or characterized by excessive pride or self-satisfaction.
 she addressed his boasting comments about being a famous billionaire
  Definition of boasting in US English:
 boasting
nounˈbōstiNGˈboʊstɪŋ
Excessively proud and self-satisfied talk about one's achievements, possessions, or abilities.
 his online boasting led police straight to his doorstep
adjectiveˈbōstiNGˈboʊstɪŋ
Exhibiting or characterized by excessive pride or self-satisfaction.
 she addressed his boasting comments about being a famous billionaire