In a boldfaced manner; doing something shamelessly, obviously, or without any attempt at concealment.
From 'boldfaced' (adjective) plus the adverb suffix '-ly,' which transforms adjectives into adverbs describing how an action is performed. This follows the standard pattern seen in 'blatantly,' 'obviously,' and 'shamelessly.'
The word 'boldfacedly' perfectly captures that moment when someone lies so obviously that they don't even bother to hide it—it's the adverb form of shameless audacity!
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