Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
brazen-faced is an adjective meaning "unrestrained by convention or propriety". It carries one recorded sense.
unrestrained by convention or propriety
“an audacious trick to pull”
“a barefaced hypocrite”
“the most bodacious display of tourism this side of Anaheim”
“bald-faced lies”
“brazen arrogance”
“the modern world with its quick material successes and insolent belief in the boundless possibilities of progress”
Definitions, synonyms and semantic relations for brazen-faced come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.