Boldfacedly, meaning 'in a bold and brazen manner', can be replaced with several synonyms. Some of the alternatives are audaciously, fearlessly, impudently, shamelessly, confidently, and unabashedly. These words indicate a display of confidence and disregard for consequences, as the person acts without fear of retribution. Other synonyms for boldfacedly include recklessly, boldly, and brashly. These creater implications of rashness and impulsiveness. The use of any of these synonyms depends on the context and the tone the writer wants to convey. These synonyms are useful in making writing more colorful and engaging by adding variety to sentence structure and ultimately improving the overall quality of the text.