bereaved
bitter
blue
brilliant
bare
The word is bawds. It means a madam.
Oh, dude, you're looking for a 7-letter word that starts with 'b' and means an error in judgment? That's like... 'blunder.' It's when you mess up big time and everyone's like, "Nice going, genius." So, yeah, 'blunder' is your word.
bandwidth
bondedbound
brilliant
bothersome
by all means
The brachium means arm.
bendable
It's a bouquet.
Bursting
brave
Botany
Broke means penniless.
It is a bouquet.