bo

boisterous (adj.) loud and full of energy (The candidate won the vote after giving several boisterous speeches on television.)

bombastic (adj.) excessively confident, pompous (The singer’s bombastic performance disgusted the crowd.)

boon (n.) a gift or blessing (The good weather has been a boon for many businesses located near the beach.)

bourgeois (n.) a middle-class person, capitalist (Many businessmen receive criticism for their bourgeois approach to life.)