baldfaced
/ˈbɔːldfeɪst, ˈbɔːldfeɪsd/Definitions
1. adjective
being or showing a complete lack of shame or tact
“The politician’s baldfaced lies were exposed during the investigation.”
2. noun
a statement or action that shows a complete lack of shame or tact
“The baldfaced denial of the company’s role in the scandal was met with widespread skepticism.”