To identify the appropriate synonym for "effrontery," one must first grasp its definition and then compare it to the presented choices.
Effrontery: This term denotes an exceedingly confident demeanor or action that is perceived as disrespectful or insolent, often implying boldness or impudence.
Let us now consider the provided options:
Based on this analysis, "audacity" is the sole term that closely matches the meaning of "effrontery," as both relate to bold and potentially disrespectful conduct.
Correct Answer: Audacity
Pick out the words from the passage to make antonyms: