Past tense of brazen; acted boldly and shamelessly despite risk or disapproval.
From 'brazen' (bold, shameless) derived from 'brass' metal, which is associated with strength and hardness. The '-en' suffix makes it a verb.
To 'brazen out' a situation means to face it with the hardness and coldness of brass metal — it's a metaphor turned into an action verb!
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