How can "brazen" best be defined?

The term "brazen" is best defined as shameless, insolent, or disrespectful. In various contexts, it describes behavior that is bold and audacious, often in a way that disregards social norms or expectations. When a person is described as brazen, it suggests they act with an unashamed boldness that can be seen as either courageous or rude, depending on the situation. This definition aligns with the connotation of the word as being forthright and lacking in sensitivity or consideration for consequences or societal standards.

Recognizing the distinction helps clarify why the other options do not fit the definition of "brazen." For instance, being reserved and polite or timid and shy directly contradict the assertiveness implied by brazen behavior. Meanwhile, giving praise does not relate at all to the qualities of disrespect or shamelessness that define a brazen attitude. Thus, option B captures the essence of the word effectively.